1967-1970 Mustang & Cougar TREMEC TKX & Magnum Transmission Kits

Enhance the power and driveability of your classic pony car with our PerfectFit™ TREMEC Transmission Kits for the 1967-1970 Mustang and Mercury Cougar. Our manual overdrive solutions feature the streamlined TKX 5-Speed, designed for a seamless fit and high-RPM precision, and the legendary Magnum 6-Speed for those requiring ultimate torque capacity. These kits are engineered to provide modern highway cruising speeds and crisp, reliable shifting. Each system is a total solution, arriving with all the high-quality components necessary to ensure a smooth installation and a rejuvenated driving experience for your vintage Mustang or Cougar.