Automatic transmission shift kit by B&M. B&M offers the Shift Improver kit for daily use or weekend drag racing. The B&M Transpak offers the ability to downshift at any speed and hold a gear to higher rpms before shifting. Use the chart above to identify your transmission. B&M shift kits Chevrolet Pontiac Oldsmobile transmissions B&M shift kit Ford transmissions B&M shift kits Chrysler Dodge Plymouth transmissions We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.