Bu0026M 35265 Shift Improver Kit

Fits 1981 to 1990 Chevrolet, Cadillac, Buick, Oldsmobile, Pontiac and GMC models with a TH2004R automatic transmission. The B&M Shift Improver Kit the easiest way to get the stout performance you’ve always wanted out of your automatic transmission. You get two modes of performance to select from: Heavy Duty or Street Strip. It’s our least expensive and simplest to install kit. All you need are a few dollars and some hand tools! In the space of an afternoon you can turn your transmission into a B&M tuned unit! Just ask the thousands of satisfied customers that have installed one in their transmission! Select the mode that best suits your application. Provides crisp shifts on any stock automatic transmission. Eliminates shift overlap and excess wear on clutches and bands due to slippage. Stage 1 is Heavy Duty and provides firm positive shifts without loss of driver comfort for improved performance in all street vehicles. Recommended for regular passenger vehicles. Stage 2 is Street Strip and provides positive shifts for high performance street use or for competitive events. This level is for the enthusiast who wants the hardest and quickest possible shift.