Transgo Performance

Part Number:  SK-4L80E

 Shift Kit

4L80E, 4L85E automatic transmission

GM, GMC, Chevrolet, Hummer

1991-2008

Full instructions Included

FEATURES:  Corrects/Prevents/Reduces: High pressure parts breakage; has boost valve and pressure relief valve; direct clutch burnup; soft 2-3 slide-bang 1-2; low pressure due to solenoid filter breakup. Missing shifts with no diagnostic codes. Includes High quality boost bushing and valve.

Special Instructions: Does not require transmission removal for proper installation