Mazda RX-7 FD3S LS-Swap TREMEC Magnum 6-Speed Kits

Maximize the potential of your LS-swapped Mazda RX-7 FD3S with our PerfectFit™ TREMEC Magnum 6-Speed Transmission Kits. When pairing the legendary balance of the FD chassis with the massive torque of an LS V8, you need a drivetrain that can handle the heat. The Magnum 6-Speed is the ultimate solution, offering world-class strength, crisp shift gates, and dual overdrive ratios to make your high-performance build street-friendly.

Our FD3S kits are specifically engineered to integrate the Magnum 6-Speed into the RX-7’s compact cockpit. We focus on precision shifter placement to ensure your interior retains its iconic, driver-focused feel without radical modifications. By significantly dropping highway cruising RPMs, our systems allow your LS-powered Mazda to transition seamlessly from the track to the open road. Each system arrives as a total solution, featuring the high-quality components required to deliver modern reliability and extreme power handling to your RX-7 project.