Click to enlargeB&M Shift Improver Kit

B&M 10225 Shift Improver Kit.

Fits 1971-1977 727 transmission.

Fits 1971-1977 904 transmission.

Recalibrate your Mopar automatic transmsission for optimum performance and extended life!

Select the mode that best suits your application.

Provides crisp shifts on any stock automatic transmission.

Eliminates shift overlap and excess wear on the clutches and bands due to slippage.

The B&M Shift Improver Kit is the easiest way to get the most out of your Mopar transmission.

You get two modes of performance to select from: Heavy Duty or Street-Strip.

All you need are some hand tools to install!

In the space of an afternoon, you can turn your transmission into a B&M-tuned unit!

Ask the thousands of satisfied customers that have installed one in their transmission!

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 positive shifts for high performance street use or for competitive events. This level is for the enthusiast who wants the hardest, quickest possible shift.


B&M 10225 Shift Improver Kit 1971-1977 Mopar 904 727 transmissions BM-10225$49.97
PayPal Acceptance Mark




We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page.

We will not ship to freight forwarding - expediting companies.

PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.

ecommerce provided by Yahoo! Small Business