TREMEC T56 Magnum 6-Speed PerfectFit™ Kit for Mazda RX7 FD3S

Upgrade your Mazda RX7 FD3S with the ultimate high-performance drivetrain solution. The TREMEC T56 Magnum 6-Speed PerfectFit™ Kit by Silver Sport Transmissions (SST) delivers unmatched torque capacity and modern precision while maintaining your car's iconic factory interior look.

Whether you are building a high-horsepower rotary or an engine-swapped street and track monster, this complete conversion kit eliminates the weak points of the stock Mazda transmission.

Why Upgrade Your RX7 FD3S to a TREMEC Magnum?

The TREMEC Magnum 6-speed is the gold standard for high-performance builds, adapting original equipment heritage from legendary sports cars into an aftermarket powerhouse engineered for extreme performance.

• Massive Torque Capacity: Safely handles up to 700 lb-ft of continuous torque.
• High-RPM Precision: Standard multicone synchronizer blocker rings allow for crisp, low-effort shifts at up to 7,800 RPM.
• Perfect Cabin Fitment: Features our short-throw STX Shifter® engineered specifically to replicate the exact factory RX7 FD3S shifter position.
• Track Tough, Street Refined: Engineered to withstand aggressive track abuse while delivering smooth, double-overdrive highway cruising.

Available TREMEC Magnum Gear Ratios

Choose the ideal gearing option to match your engine's powerband and rear-end differential setup. We offer both close-ratio and wide-ratio configurations:

Complete PerfectFit™ Kit Components

This comprehensive conversion kit includes everything required to complete a seamless manual transmission installation:

• TREMEC T56 Magnum 6-Speed Transmission: Features a custom-machined front plate specifically modified to accommodate the starter.
• STX Shifter® Assembly: Short-throw shifter tower designed for precise gear engagement and perfect factory placement.
• Quicktime SFI-Rated Steel Bellhousing: Provides maximum safety and accurate powertrain alignment.
• SST Engineering Steel Crossmember: CAD-designed, slim-profile structural crossmember engineered to clear large-diameter aftermarket exhaust systems.
• Mini High-Torque Starter: Brand new, premium quality (not rebuilt), and fully clockable for optimal clearance.
• Electrical Wiring Integration: Includes speed sensor connector, reverse light connector, and a reverse lockout control module.
• Premium Installation Components: Pilot bearing, isolator mount, shift lever, shifter knob, and all necessary grade-8 mounting hardware.
• Documentation & Support: Detailed, step-by-step installation instructions backed by our industry-leading warranty and free lifetime technical support.

Get a Custom Quote for Your RX7 Project

Ready to transform your Mazda RX7 FD3S with modern 6-speed performance? Let our transmission experts configure the exact package tailored to your horsepower goals and driving style.

Click Here to Request a Quote Today