Product Description
Fits: GM 4L60E · 1998-2004
Shift correction package with boost valve for 1998-2004 GM 4L60E transmissions, for regular and heavy duty applications. Its PWM Powervalve corrects code P1870 problems while keeping the normal computer strategy for the converter, and oversized checkballs give new life to the original worn separator plate.
Specifications
| Fits | 4L60E |
|---|---|
| Years | 1998-2004 |
| Vehicle make | General Motors |
| Manufacturer part number | Superior Transmission Parts K4L60E-L-V |
About this kit
A new 0.474 in upgraded boost valve replaces the OE-style valve, which is prone to failure.
The kit corrects or prevents code P1870, delayed engagements, slide bump into 2nd and 3rd and 3-4 clutch burn-up. It helps with worn plates, provides more lube oil and improves overall transmission performance.
What's included
- PWM Powervalve
- Oversized checkballs
- 0.474 in boost valve
Product Videos
Custom Field
Product Reviews
2 Reviews Hide Reviews Show Reviews
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good kit
Easy to understand directions, all parts needed.
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4L60 shift kit
Love this kit, great improvements over stock. Only complaint is in the instructions they have you turn the force motor screw in a bit to increase line pressure, caused very harsh slam into gear and the 1-2 shift. Turned it back out to stock and purrrrfect. Overall great product
