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6T30 6T40 6T45 6T50 Sonnax Pump Reamer F-144510-TLC
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6T30 6T40 6T45 6T50 Valve Body O-Ringed End Plug Kit (GEN-1) Sonnax 144740-02K
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6T40 6T45 6T50 3-5-R Drum Saver Kit by Sonnax

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Now: $74.95

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6T70 6T75 3-5-Reverse Drum Saver Kit

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Now: $79.95

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6T70 6T75 6T80 Sonnax Performance Zip Kit (GEN-2)

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Now: $192.95

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6T70 6T75 Sonnax Performance Zip Kit (GEN-1)

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Now: $214.95

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700R4 200-4R Line Pressure Booster Kit - Sonnax

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Now: $17.95

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700R4 200-4R TV Boost Valve Kit w/ Factory-Style Sleeve - Sonnax

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Now: $29.95

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700R4 4L60 Shortened TV Linkage (Pack of 5)

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Now: $18.95

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700R4 4L60 Shortened TV Linkage (Single)

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Now: $4.95

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700R4 4L60E 4L65E 3-4 Accumulator Sleeve Kit

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Now: $49.95

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700R4 4L60E 4L65E 4L70E 200-4R Replacement Seal Kit for Sonnax Pinless Accumulator

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Now: $19.95

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700R4 4L60E 4L65E 4L70E 3-4 Clutch HD Boost Spring (10-Pack) Sonnax

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Now: $13.95

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700R4 4L60E 4L65E 4L70E HD Overrun Clutch Hub (1982-UP) Sonnax

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Now: $230.00

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700R4 4L60E 4L65E 4L70E HD Reaction Shaft Kit (1982-UP) Sonnax

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Now: $249.95

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700R4 4L60E 4L65E 4L70E Servo Release Check Valve Kit (1982-UP) Sonnax

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Now: $21.95

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700R4 4L60E 4L65E 4L70E SmartShell® Heavy Duty Reaction Shell Kit (1982-UP) Sonnax

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Now: $139.95

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700R4 4L60E 4L65E 4L70E Sun Gear Bushing - HD Wide (1982-UP) Sonnax

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Now: $9.95

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700R4 4L60E 4L65E 4L70E TH200-4R Pump Slide Spring (5-Pack) Sonnax

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Now: $17.95

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700R4 4L60E 4L65E 4L70E TH200-4R Pump Spring Spacer (10-Pack) Sonnax

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Now: $19.95

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Sonnax

6T30 6T40 6T45 6T50 Sonnax Pump Reamer F-144510-TLC

6T30 (Gen. 1), 6T40 (Gen. 1), 6T45 (Gen.1), 6T50 (Gen. 1) Sonnax Part Number F-144510-TLC Tooling: VB-FIX Tool Kit for 144510-01K Note Sonnax F-Tool kits...

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Sonnax

6T30 6T40 6T45 6T50 Valve Body O-Ringed End Plug Kit (GEN-1) Sonnax 144740-02K

6T30 (Gen. 1), 6T40 (Gen. 1), 6T45 (Gen.1), 6T50 (Gen. 1) O-Ringed End Plug Kit Part No. 144740-02K OE end plugs are designed to prevent critical pressure loss by capping...

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Sonnax

6T40 6T45 6T50 3-5-R Drum Saver Kit by Sonnax

6T40 (Gen. 1), 6T40 (Gen. 2), 6T45 (Gen. 2), 6T45 (Gen.1), 6T50 (Gen. 1), 6T50 (Gen. 2) 3-5-R Drum Saver KitSonnax Part No. 144555K The 3-5-R waved plate in GM Gen. 1...

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Now: $74.95
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Sonnax

6T70 6T75 3-5-Reverse Drum Saver Kit

6T70 (Gen. 1), 6T70 (Gen. 2), 6T75 (Gen. 1), 6T75 (Gen. 2) 3-5-R Drum Saver KitPart No. 124555K The 3-5-R waved plate in GM Gen. 1 and 2 6T70, 6T75 units commonly fails and...

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Now: $79.95
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6T70 6T75 6T80 Sonnax Performance Zip Kit (GEN-2)

6T70 (Gen. 2), 6T75 (Gen. 2), 6T80 (Gen. 2) Zip Kit®Part No. 6T70-G2-ZIP Sonnax Zip Kit 6T70-G2-ZIP targets the root cause of multiple concerns by sealing critical circuit pressure...

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Now: $192.95
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6T70 6T75 Sonnax Performance Zip Kit (GEN-1)

6T70 (Gen. 1), 6T75 (Gen. 1) Zip Kit®Part No. 6T70-ZIP Sonnax Zip Kit 6T70-ZIP targets the root cause of multiple concerns by sealing critical circuit pressure losses in First...

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Now: $214.95
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700R4 200-4R Line Pressure Booster Kit - Sonnax

200-4R, 4L60 Line Pressure Booster KitPart No. 700R4-LB1 Line pressure booster kit 700R4-LB1 fits GM 4L60 (700-R4) and 200-4R transmissions. Sonnax hydraulic line pressure booster kits...

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Now: $17.95
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700R4 200-4R TV Boost Valve Kit w/ Factory-Style Sleeve - Sonnax

A common problem in GM 200-4R and 4L60 transmissions is burned bands and/or 3-4 clutches. This failure can be reduced by eliminating throttle boost oil leakage. Sonnax TV boost valve kits 77917-02K (...

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Now: $29.95
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700R4 4L60 Shortened TV Linkage (Pack of 5)

Shortened TV LinkPart No. 77872-01 Package Quantity: 5 In GM 4L60 units, the TV cable synchronizes engine throttle movement with TV plunger movement. If the cable is not readjusted to...

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Now: $18.95
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700R4 4L60 Shortened TV Linkage (Single)

Shortened TV LinkPart No. 77872-01 Package Quantity: 1 In GM 4L60 units, the TV cable synchronizes engine throttle movement with TV plunger movement. If the cable is not readjusted to ensure...

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Now: $4.95
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700R4 4L60E 4L65E 3-4 Accumulator Sleeve Kit

4L60, 4L60-E, 4L65-E, 4L70-E 3-4 Accumulator Sleeve KitPart No. 77998-01K The 3-4 accumulator bore on GM 4L60 and 4L60-E series cases can become scored, resulting in the loss of...

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Now: $49.95
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700R4 4L60E 4L65E 4L70E 200-4R Replacement Seal Kit for Sonnax Pinless Accumulator

This kit contains five sets of seals to refresh the sealing capabilities of Sonnax pinless accumulator kit 77998-03K. Each accumulator takes one D-ring and one seal. Contents D-Rings...

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Now: $19.95
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700R4 4L60E 4L65E 4L70E 3-4 Clutch HD Boost Spring (10-Pack) Sonnax

Sonnax 700R4 4L60E 4L65E 4L70E Transmission 3-4 Clutch Boost Spring Sonnax Part Number: 77763-01 Fits 1988-UP Units Only! Pack of 10 Sonnax 77763-01 boost springs offer a low cost, direct...

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Now: $13.95
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700R4 4L60E 4L65E 4L70E HD Overrun Clutch Hub (1982-UP) Sonnax

700R4 4L60E 4L65E 4L70E Transmission Heavy Duty Overrun Clutch Hub Sonnax Part Number: 74574-HD The overrun clutch hub found in GM 4L60 (700R4), 4L60E, 4L65E and 4L70E units is highly susceptible...

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Now: $230.00
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700R4 4L60E 4L65E 4L70E HD Reaction Shaft Kit (1982-UP) Sonnax

Sonnax 700R4/4L60E/4L65E/4L70E Transmission Heavy Duty Reaction Shaft Kit Sonnax Part Number: 74602-01K Universal kit, fits all years and all input carrier styles. OE Part No. 19369220,...

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Now: $249.95
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700R4 4L60E 4L65E 4L70E Servo Release Check Valve Kit (1982-UP) Sonnax

700R4/4L60E/4L65E/4L70E Servo Release Check Valve Kit SonnaxPart No. 77701-076 2nd Gear Servo Release Technicians would like to find a way to successfully extend the life of 3-4 clutches, and...

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Now: $21.95
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700R4 4L60E 4L65E 4L70E SmartShell® Heavy Duty Reaction Shell Kit (1982-UP) Sonnax

Sonnax 700R4/4L60E/4L65E/4L70E SmartShell® Heavy Duty Reaction Shell Kit Part No. 77749-02K Solves Multiple Problems in All Performance Applications In GM 4L60, 4L60-E, 4L65-E and...

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Now: $139.95
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700R4 4L60E 4L65E 4L70E Sun Gear Bushing - HD Wide (1982-UP) Sonnax

700R4/4L60E/4L65E/4L70E Transmission Upgraded Wide Style Reaction Sun Gear Bushing by Sonnax Sonnax Part Number: 77010-01 WARNING Measure the sun gear bore. Installing this bushing into a bore that...

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Now: $9.95
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700R4 4L60E 4L65E 4L70E TH200-4R Pump Slide Spring (5-Pack) Sonnax

700R4 4L60E 4L65E 4L70E TH200-4R Transmission Pump Slide Spring Sonnax Part Number: 77722-01K Package of 5 Sonnax now offers a high performance pump slide spring 77722-01K for the 4L60, 4L60-E,...

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Now: $17.95
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700R4 4L60E 4L65E 4L70E TH200-4R Pump Spring Spacer (10-Pack) Sonnax

700R4 4L60E 4L65E 4L70E Transmission Pump Spring Spacer Sonnax Part Number: 77917-RV Package of 10 A common goal with GM 4L60-series transmissions is to increase pump volume or output, but a...

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Now: $19.95
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