Mopar TREMEC TKX, Magnum, & A41 4L60E Transmission Kits

Bring modern performance and highway versatility to your Classic Mopar with our PerfectFit™ Transmission Kits. Whether you’re piloting a Plymouth Barracuda, a Dodge Charger, or a high-winding Dart, we offer the industry’s premier overdrive solutions for A, B, and E-Body platforms. Choose from the streamlined TKX 5-Speed, the high-torque Magnum 6-Speed, or our smooth-shifting A41 4L60E Electronic Automatic.
 

Our Mopar kits are meticulously engineered to provide a seamless fit into your classic Mopar chassis, significantly reducing highway RPMs and engine wear without requiring major structural modifications. Designed to maintain the correct shifter location for your factory console or bench seat, our systems arrive as a total solution. Each kit includes all the high-quality components necessary to transform your vintage Mopar into a high-performance cruiser capable of handling modern speeds and massive torque.