Turbo 425

TH400 TH425 Pressure Regulator Valve Kit | Sonnax | 1971-UP

Sonnax part number: 34910-03K IF OE VALVE HAS THROUGH BALANCE HOLE, SONNAX VALV

4L80E TH400 TH425 Rear Unit Endplay Shim | Sonnax | .005'' | 10-Pack

Sonnax part number: 34006-05 TH400 TH425 4L80E 4L85E Rear Unit Endplay Shim | 0.005'' Thick No tooling required Sonnax offers two solutions for excessive endplay in GM TH400, TH425, 4L80-E and 4L85-E...

68RFE 45RFE 545RFE 65RFE 66RFE Underdrive Overdrive Direct Clutch Return Spring, 4.25″ Outer Diameter, 20 Springs

Part number: D72970 An underdrive/overdrive direct clutch return spring for 68RFE, 45RFE, 545RFE, 65RFE and 66RFE transmissions. It has a 4.25 inch outer diameter, and the kit contains 20 springs...

GM Pump Alignment Band Tool

Part number: T-1097 A universal pump alignment band used on GM automatic transmissions including the 250, 250C, 350, 350-C, 375, 400, 3L80, 3L80-HD,

TH400 TH425 Boost Valve Kit | Sonnax | O-Ring Style

Sonnax part number: 34910-01K TH400 TH425 Boost Valve Kit | O-Ring Style No tooling required Vehicles with a GM TH400 and TH425 transmissions frequently have poor line rise, soft 1-2 and/or 2-3...

4L80E TH400 TH425 Extreme Duty Forward Clutch Hub Kit | Sonnax

Sonnax part number: 34322-02K NOT COMPATIBLE WITH 1964-1966 TH400 MAIN SHAFTS W

Check Ball, 1/4'' (Single) 8631975

Part number: 1247Fits: 700R4/4L60/4L60E, 45RFE, 65RFE, 6F35, 6F50N, 6T70E, TH125, TH325, TH325-4L, TH350, TH250, TH400, TH425, TH440-T4, 4T60, VT25-E, 4L30E, 4L80E, 4T40E, 4T65E, 4T80E, 6T30, 9T45,...