Product Description
Fits: 4L80E/4L85E · 1991 and up
TransGo SK4L80E valve body shift kit for the GM 4L80E, for use in 4L80E/4L85E automatic transmissions from 1991 and up. Drop-in valves need no special tooling or machining, and the kit improves overall driveability and durability.
Specifications
| Fits | 4L80E |
|---|---|
| Years | 1991-up |
What it fixes
Addresses high pressure parts breakage, direct clutch burnup, soft 2-3 and slide-bang 1-2 shifts, low pressure due to solenoid filter breakup, and missing shifts with no diagnostic codes.
What's included
- Boost valve assembly
- High pressure relief assembly
- Improved solenoid filter
- Case to center support seals
- 4th clutch bolt
- Other calibration items