Improve your transmissions shift performance with either the B&M Transpack, B&M Shift Improver or the B&M Shift Plus shift kit. They provide, firmer, quicker shifts for high performance use or towing. The B&M Transpak offers the hardest, quickest shift, making it great for drag racing or serious street performance vehicles. The Shift Improver kit and the Shift Plus kit provides street-strip performance shift for towing and daily driving high performance vehicles. B&M 35265 Shift Improver Kit 1981-1990 Turbo 2004R Transmission Shift Kit B&M 20261 Shift Improver Kit 1988-1994 Turbo 400 Transmission Shift KIt B&M 20260 Shift Improver Kit 1965-1987 GM Turbo 400 Transmission Shift Kit B&M 30262 Shift Improver Kit 1968-1981 Turbo 350 Transmission Shift Kit B&M 70239 Shift Improver Kit 1982-1993 Turbo 700R4 Transmission Shift Kit B&M 70360 Shift Improver Kit 1993-2001 GM 4L60E Transmission Shift Kit B&M 70380 Shift Plus 1993-1998 Chevy Pickup-SUV Transmission Shift Kit B&M 30228 Transpak 1968-1981 Turbo 350 Transmission Shift Kit B&M 30235 Transpak 1980-1986 Turbo 350C Transmission Shift Kit B&M 20228 Transpak 1965-1987 Turbo 400 Transmission Shift Kit B&M 70235 Transpak 1982-1993 Turbo 700R4 Transmission Shift Kit B&M 70365 Transpak 1993-2001 GM 4L60E Transmission Shift Kit TCI 377550 Shift Boss Programmer GM 4L60E 4L80E HOURS: 11:00 am to 6:00 pm Monday - Friday Eastern Standard Time 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.