4L60E Shift Improvement Kit With Boost Valve

Code 1870Delayed engagementsSlide bump 2nd & 3rd3-4 clutch burn-upHelp for worn platesProvides more lube oilRegular and Heavy duty applicationsImproves overall transmission performance

Includes PWM Powervalve

New .474 boost valve included to replace worn OE valve.

Shift Correction Package This valve body kit deals with these problems:Code 1870Delayed engagementsSlide bump 2nd & 3rd3-4 clutch burn-upHelp for worn platesProvides more lube oilRegular and Heavy duty applicationsImproves overall transmission performance 1. Includes PWM Powervalve to correct code 1870 problems and still maintain normal computer strategy of the converter. 2. Includes oversized checkballs to give new life to the original worn separator plate. 3. New .474 boost valve included to replace worn OE valve.
Brand: Superior