Installing a six speed overdrive Tremec transmission in your classic Chevy will be one of the best improvements that you can make to your classic car. Watch your cruising RPM’s drop by as much as 50% while your driving pleasure goes up! The Tremec T56 is a high performance, double overdrive six speed transmission. With a torque rating of 450 ft/lbs. the T56 can handle the demands of most motors. In addition to the all-star line up of parts that we have assembled for our TKO kits, Classic Motorsports Group has built it’s reputation through its commitment to offering the best, most responsive, and professional customer service & support you will find. We specialize exclusively in Tremec conversion kits for Classic Chevy’s and we have “walked the walk” by personally installing Tremec transmissions into Camaros, Corvettes, Chevelles and other model cars. Email inquiries are answered by the end of the day, we typically answer phone calls within three rings and you will always speak directly to one of the owners. We do our best to keep every part we offer in stock at all times and orders are usually shipped out within 48 hours.

We look forward to helping you with Tremec transmission needs.