The B&M Shift Improver Kit the easiest way to get the stout performance you’ve always wanted out of your automatic transmission And 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 transmissions!

Application:

• 1971-1971 CHRYSLER 300
• 1971-1974 CHRYSLER NEW YORKER Automatic Trans 3-Speed Trans A727 Trans
• 1971-1974 CHRYSLER NEWPORT Automatic Trans 3-Speed Trans A727 Trans
• 1974-1974 CHRYSLER NEWPORT Automatic Trans 3-Speed Trans A904 Trans
• 1971-1974 DODGE B100 VAN Automatic Trans 3-Speed Trans A727 Trans
• 1971-1974 DODGE B100 VAN Automatic Trans 3-Speed Trans A904 Trans
• 1971-1974 DODGE B200 VAN Automatic Trans 3-Speed Trans A727 Trans
• 1971-1974 DODGE B200 VAN Automatic Trans 3-Speed Trans A904 Trans
• 1971-1974 DODGE B300 VAN Automatic Trans 3-Speed Trans A727 Trans
• 1971-1974 DODGE B300 VAN Automatic Trans 3-Speed Trans A904 Trans
• 1973-1974 DODGE CB300 Automatic Trans 3-Speed Trans A727 Trans
• 1973-1974 DODGE CB300 Automatic Trans 3-Speed Trans A904 Trans