Mustang, Cougar, & Fox Body TREMEC Transmission Kits

Enhance the performance of your Mustang, Cougar, or Fox Body with our PerfectFit™ TREMEC Transmission Kits. We offer the industry's most versatile range of manual overdrive solutions, including the legendary T5, the streamlined TKX 5-Speed, and the high-torque Magnum 6-Speed. For later model owners, the Magnum XL provides an extended housing for a direct-shift experience. Each kit is precision-engineered to provide modern highway driveability and crisp, high-RPM shifting. Our systems arrive as total solutions, including all the high-quality components necessary to ensure a smooth installation and a transformed driving experience.