The B&M Shift Improver Kit the easiest way to get the stout performance youve always wanted out of your automatic transmission And you get two modes of performance to select from: Heavy Duty, or Street/Strip. Its 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 transmissions!
Application:
- 1988-1990 CADILLAC BROUGHAM Automatic Trans 3-Speed Trans THM400 Trans
- 1989-1990 CHEVROLET BLAZER Automatic Trans 3-Speed Trans THM400 Trans
- 1989-1990 CHEVROLET C1500 Automatic Trans 3-Speed Trans THM400 Trans
- 1989-1990 CHEVROLET C2500 Automatic Trans 3-Speed Trans THM400 Trans
- 1989-1990 CHEVROLET C3500 Automatic Trans 3-Speed Trans THM400 Trans
- 1989-1990 CHEVROLET G10 Automatic Trans 3-Speed Trans THM400 Trans
- 1989-1990 CHEVROLET G20 Automatic Trans 3-Speed Trans THM400 Trans
- 1989-1990 CHEVROLET G30 Automatic Trans 3-Speed Trans THM400 Trans
- 1989-1990 CHEVROLET K1500 Automatic Trans 3-Speed Trans THM400 Trans
- 1989-1990 CHEVROLET K2500 Automatic Trans 3-Speed Trans THM400 Trans
- 1989-1990 CHEVROLET K3500 Automatic Trans 3-Speed Trans THM400 Trans
- 1989-1989 CHEVROLET P20 Automatic Trans 3-Speed Trans THM400 Trans
