Quick view Details TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race MSRP: Now: $219.95 Add to Cart Quick view Details TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo MSRP: Now: $11.45 Add to Cart Quick view Details Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit MSRP: Now: $119.95 Add to Cart Quick view Details Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) MSRP: Now: $49.95 Add to Cart Quick view Details Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit MSRP: Now: $37.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) MSRP: Now: $32.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane MSRP: Now: $3.95 Add to Cart Quick view Details Sonnax 6L80 6L90 HD Pump Slide Spring MSRP: Now: $14.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit MSRP: Now: $54.95 Currently Out of Stock Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo MSRP: Now: $11.45 Add to Cart Quick view Details Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit MSRP: Now: $119.95 Add to Cart Quick view Details Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) MSRP: Now: $49.95 Add to Cart Quick view Details Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit MSRP: Now: $37.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) MSRP: Now: $32.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane MSRP: Now: $3.95 Add to Cart Quick view Details Sonnax 6L80 6L90 HD Pump Slide Spring MSRP: Now: $14.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit MSRP: Now: $54.95 Currently Out of Stock Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit MSRP: Now: $119.95 Add to Cart Quick view Details Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) MSRP: Now: $49.95 Add to Cart Quick view Details Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit MSRP: Now: $37.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) MSRP: Now: $32.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane MSRP: Now: $3.95 Add to Cart Quick view Details Sonnax 6L80 6L90 HD Pump Slide Spring MSRP: Now: $14.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit MSRP: Now: $54.95 Currently Out of Stock Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) MSRP: Now: $49.95 Add to Cart Quick view Details Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit MSRP: Now: $37.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) MSRP: Now: $32.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane MSRP: Now: $3.95 Add to Cart Quick view Details Sonnax 6L80 6L90 HD Pump Slide Spring MSRP: Now: $14.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit MSRP: Now: $54.95 Currently Out of Stock Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit MSRP: Now: $37.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) MSRP: Now: $32.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane MSRP: Now: $3.95 Add to Cart Quick view Details Sonnax 6L80 6L90 HD Pump Slide Spring MSRP: Now: $14.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit MSRP: Now: $54.95 Currently Out of Stock Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) MSRP: Now: $32.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane MSRP: Now: $3.95 Add to Cart Quick view Details Sonnax 6L80 6L90 HD Pump Slide Spring MSRP: Now: $14.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit MSRP: Now: $54.95 Currently Out of Stock Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane MSRP: Now: $3.95 Add to Cart Quick view Details Sonnax 6L80 6L90 HD Pump Slide Spring MSRP: Now: $14.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit MSRP: Now: $54.95 Currently Out of Stock Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit MSRP: Now: $84.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane MSRP: Now: $3.95 Add to Cart Quick view Details Sonnax 6L80 6L90 HD Pump Slide Spring MSRP: Now: $14.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit MSRP: Now: $54.95 Currently Out of Stock Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane MSRP: Now: $3.95 Add to Cart Quick view Details Sonnax 6L80 6L90 HD Pump Slide Spring MSRP: Now: $14.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit MSRP: Now: $54.95 Currently Out of Stock Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Sonnax 6L80 6L90 HD Pump Slide Spring MSRP: Now: $14.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit MSRP: Now: $54.95 Currently Out of Stock Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit MSRP: Now: $54.95 Currently Out of Stock Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit MSRP: Now: $79.95 Add to Cart Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit MSRP: Now: $54.95 Currently Out of Stock Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit MSRP: Now: $54.95 Currently Out of Stock Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit MSRP: Now: $159.95 Add to Cart Quick view Details Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit MSRP: Now: $109.95 Add to Cart Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit MSRP: Now: $14.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack MSRP: Now: $174.95 Add to Cart Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack MSRP: Now: $139.95 Add to Cart Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack MSRP: Now: $229.95 Add to Cart Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view TransGo 6L45 6L80 6L90 Reprogramming Kit Drive Tow Race Drive. Tow. Race. Available now— The first and only 6L80 performance kit for trucks and performance applications. With increased max main line pressure as well as a more aggressive pressure curve, this performance kit includes valve body and pump... MSRP: Now: $219.95 Add to Cart Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view TransGo 6L80 6L90 8L90 1000 Cooler Flow Bypass Delete Kit by TransGo An easy, no-hassle cost-effective drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90, 8L90 and Allison transmissions. Corrects/Prevents/Reduces: Provides all-time cooler flow regardless of temperature Prevents overheating Reduces... MSRP: Now: $11.45 Add to Cart Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Central Valve Bodies 6L80E 6L90E Valve Body Repair Kit Shift Kit, 6L80E/90E VB Repair Kit, 4 Valves, 7 Plugs, 2 Springs MSRP: Now: $119.95 Add to Cart Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Sonnax 6L80 6L45 6L50 6L90 Actuator Feed Limit Valve Kit (2006-2018) GM 6L45, 6L50, 6L80 and 6L90 units often suffer from shift abnormalities caused by excess wear in the actuator feed limit (AFL) bore. This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts,... MSRP: Now: $49.95 Add to Cart Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Superior Transmission Parts 6L80 6L90 6L45 6L50 Pressure Regulator Boost Valve Kit This TransLab Engineered Boost Valve for GM's 6L45, 6L50, 6L80 and 6L90 automatic transmission units can be installed in conjunction with the STL-012 pump upgrade kit or any OE main pressure regulator valve, as well as , ALL aftermarket PR valve repair... MSRP: Now: $37.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Sonnax 6L80 6L90 6L45 6L50 HD TCC Regulator Valve Spring (Pack of 5) CONTAINS SET OF 5 SPRINGS Vehicles with GM 6L45, 6L50, 6L80 and 6L90 transmissions may have complaints of vibration, shudder or roughness, particularly while driving at low speeds with a steady throttle on a level road. This complaint may be more... MSRP: Now: $32.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Sonnax 6L80 6L90 6L45 6L50 6T45 Compensator Feed Regulator Valve Kit Listed GM transmissions incorporate a low-pressure compensator feed circuit to assist clutch return springs during release of rotating clutches. After clutches disengage, the compensator feed circuit maintains pressure in the clutch release cavity to... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Sonnax 6L80 6L90 6L45 6L50 Center Support Seal Kit The rubber seals between the center support in the case and the machined surface of the valve body are prone to leakage over time. In GM 6L45, 6L50, 6L80, 6L90 units, this can result in continuous line pressure and lube flow loss, as well as clutch apply... MSRP: Now: $84.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Sonnax 6L80 6L90 6L45 6L50 HD Pump Vane Quality replacement Sonnax pump vanes 76742 available for rebuilding GM 6L45, 6L50, 6L80 and 6L90 pump rotors. Cost-effective alternative to replacing entire pump rotor assembly Specs Width: 0.534" Height: 0.706" Thickness: 0.079" MSRP: Now: $3.95 Add to Cart Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Sonnax 6L80 6L90 HD Pump Slide Spring Sonnax high-performance pump slide spring 104534-HD for GM 6L80 and 6L90 transmissions helps maintain consistent pump volume during line rise and at high-RPM operation. In high-performance applications at high engine speeds, increased pressure and... MSRP: Now: $14.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Sonnax 6L80 6L90 6L45 6L50 Pressure Regulator Valve Kit GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss, resulting in high line... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Sonnax 6L80 6L90 6L45 6L50 Line Pressure Booster Kit Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding. Sonnax's pressure... MSRP: Now: $79.95 Add to Cart Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Sonnax 6L80 6L90 6L45 6L50 Pump Boost Valve Kit Vehicles with 6L45 6L50 6L80 6L90 transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive... MSRP: Now: $54.95 Currently Out of Stock Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Sonnax 6L80 6L90 High Capacity 4-5-6 Clutch Apply Piston Kit Use with OE 36-tooth clutches and OE steels. GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to OE design shortcomings. Not enough clutches and insufficient clutch piston-to-plate apply surface area causes clutch... MSRP: Now: $159.95 Add to Cart Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Sonnax 6L80 6L90 4-5-6 Clutch Backing Plate GM 6L80 and 6L90 transmissions often suffer failure of the 4-5-6 clutch assembly due to flexing and bowing of the backing plate (coning), especially when clutch apply pressures exceed OE specification. The heavy-duty Sonnax 4-5-6 clutch backing plate... View Details
Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies. A must have for any 6L80/6L90 series... MSRP: Now: $109.95 Add to Cart Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Superior Transmission Parts GM 6L80 6L90 6L45 6L50 SuperTuff® Pump Stator Shim Kit The new K0146 SuperTuff Shim Kit by Superior Transmission Parts is what you need when finish grinding 6L80 and 6L90 pumps and stators. These popular units includes the 6L45, 6L50, 6L80 and 6L90. Different thicknesses allows the rebuilder... MSRP: Now: $14.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Alto Products Corp 6L80 6L90 2-6 Clutch Powerpack 6L80/6L90 Transmission High Performance 2-6 Clutch Powerpack Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle® Internal Spline... MSRP: Now: $174.95 Add to Cart Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected × OK
Quick view Alto Products Corp 6L80 2-6 Clutch 1-Sided Red Eagle Powerpack High Performance 6L80 Transmission 2-6 Clutch Powerpack w/ 1-Sided Red Eagle Frictions Made in the USA by Alto Products Corp Contents (6) 195707A173 Red Eagle® External Spline Frictions Plates (1.73mm / .068”) (6) 195746A173 Red Eagle®... MSRP: Now: $139.95 Add to Cart Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected
Quick view Alto Products Corp 6L80 6L90 3-5-Reverse Clutch Anti-Drag 2-Sided G3 Powerpack GM 6L80/6L90 High Performance 3-5-Reverse Clutch Powerpack w/ 2-Sided G3 Frictions Made in theh USA by Alto Products Corp IMPORTANT INFORMATION The 195757B is designed to be a drop in, no machining required Hi-Performance kit for the 6L80/90E... MSRP: Now: $229.95 Add to Cart 1 2 Next 1 2 Next Compare Selected