1960-1962 GM C-Series Truck TREMEC TKX, Magnum, & A41 4L60E Transmission Kits

Bring modern highway capability to your 1960-1962 Chevrolet or GMC C-Series truck with our PerfectFit™ Transmission Kits. Designed specifically for the unique floor and frame geometry of early 60s GM pickups, we provide the industry’s most reliable overdrive solutions. Choose from the streamlined TKX 5-Speed, the high-torque Magnum 6-Speed, or our smooth-shifting A41 4L60E Electronic Automatic.
 

These kits are engineered to provide a seamless fit into your 1960-1962 chassis, significantly reducing engine wear and cabin noise by lowering cruising RPMs. Whether you're upgrading a short-bed street truck or a classic long-bed cruiser, our systems arrive as a total solution. Each kit includes all necessary components to replace your original 3-speed or 4-speed manual with a high-performance, precision-shifting overdrive system.