General Motors

The original and most trusted 6L80 valve body repair kits

6L80E Shift Kit®

GM 6L45, 6L50, 6L80, 6L90

Quickly fix erratic pressure complaints and restore proper pressure regulator and solenoid regulator valve function.

Clutch Select Valve and TCC Regulator Valve Kit

GM 6L45, 6L50, 6L80, 6L90

Converter clutch apply issues? We’ve got the fix!