Provides crisp shifts on any stock automatic transmission. Eliminates soft, sluggish shifts, shift overlap, and excess wear on clutches and bands due to slippage. Improves transmission life. Transmission removal not required. The Shift Improver Kit is our least expensive and simplest to install transmission performance kit. The transmission pan is removed and the valve body is taken out. The stock separator plate is replaced or modified, reinstall the valve body, filter and pan and you'redone! In some cases other minor modifications may also be made. The B and M Shift Improver Kit can be installed in one of two modes--you select which mode you want at time of installation.
Stage 1: Heavy Duty - Firm, positive shifts without loss of driver comfort for improved performance in all street vehicles. Recommended for regular passenger vehicles.
Stage 2: Street/Strip - Provides very p