Easy To Install For Cars With TH350 Transmission Made In USA J.W. Performance Transmission shift improver kits are a great cost effective way to increase the performance for your automatic transmission. The street action kit improves your Chevy application, substantially increases line pressure, and removes the delay out of the shift.
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
