F-Body TREMEC TKX, Magnum, & A41 4L60E Transmission Kits

Modernize the performance and driveability of your GM F-Body with our PerfectFit™ Transmission Kits. Specifically engineered for the Chevrolet Camaro and Pontiac Firebird / Trans Am, we offer the industry’s premier 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 meticulously designed to provide a seamless fit into your classic F-Body chassis, delivering significantly reduced cruising RPMs and a transformed driving experience. Each system arrives as a total solution, featuring all the high-quality components required for a professional, high-performance installation that preserves the muscle car spirit of your Camaro or Firebird.