Product Description
Superior GM 4L60E Shift Correction Package w/ Boost Valve
1998-2004
This shift kit includes a PWM Powervalve to correct code P1870 problems and still maintain normal computer strategy of the converter. It also includes oversized checkballs to give new life to the original worn separator plate. As an added bonus this kit comes with a new 0.474'' upgraded boost valve to replace the OE style which is prone to failure.
Corrects or Prevents the Following Problems
- Code P1870
- Delayed engagements
- Slide bump 2nd and 3rd
- 3-4 clutch burn-up
- Help for worn plates
- Provides more lube oil
- Regular and heavy duty applications designed for
- Improves overall performance of the transmission
Superior Transmission Parts Number: K4L60E-L-V
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Product 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
