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...

GM Pump Alignment Band Tool

GM Pump Alignment Band This universal pump alignment band will work for the following transmissions as well as some others: 250, 250C, 350, 350-C, 375, 400, 3L80, 3L80-HD, 425, 475, 700-R4, 4L60,...

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

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