Transgo Performance
Part Number: SK-4L80E
Shift Kit
4L80E, 4L85E automatic transmission
GM, GMC, Chevrolet, Hummer
1991-2008
Full instructions Included
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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. | |
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Special Instructions: Does not require transmission removal for proper installation |