Tremec Transmissions

Tremec Transmissions: Engineering Built for Performance

When it comes to high-performance manual and dual-clutch transmissions, few names carry more weight than Tremec. A Tier 1 OEM supplier trusted by the world's leading automakers — including Ford, General Motors, and Stellantis — Tremec has spent decades engineering transmissions that bridge the gap between factory reliability and track-ready performance. Whether you're rebuilding a classic muscle car or upgrading a modern sports car, a Tremec gearbox represents one of the most respected choices in the industry.

A Legacy of Iconic Gearboxes

Tremec's reputation was cemented by product lines that became legends in the performance world. The T56 Magnum six-speed manual transmission is perhaps the most celebrated, offering a robust close-ratio gear set, high torque capacity, and compatibility with a wide range of classic and modern muscle car applications. It became the go-to swap transmission for enthusiasts looking to plant serious power to the rear wheels without sacrificing street manners.

Building on that foundation, the TR-6060 six-speed manual was developed as a direct OEM successor, appearing in flagship performance vehicles like the Ford Mustang Shelby GT500, Chevrolet Camaro ZL1, and Dodge Viper. Its reinforced gear set and synchronized reverse gear made it a benchmark for high-horsepower street transmissions. Meanwhile, the TKO 500 and TKO 600 series gave builders of classic pony cars and hot rods a compact, overdrive-equipped five-speed solution capable of handling 500 and 600 lb-ft of torque respectively.

Advanced Technology Under Every Gear

What sets Tremec apart in the transmissions category isn't just brand recognition — it's the engineering depth behind every unit. Tremec's gearboxes are built with precision-machined helical gears, dual-cone synchronizers on key gear sets, and billet-steel components that stand up to repeated high-RPM shifts. Their dual-clutch transmission (DCT) technology, deployed in modern performance platforms, brings lightning-fast automated shifting without sacrificing driver engagement.

Tremec also supports the aftermarket with their TREMEC Magnum XL series, which offers a wider gear set spacing for use in vehicles where the standard Magnum's dimensions are a constraint — a thoughtful solution for builders working with tight transmission tunnels.

Why Choose Tremec?

• OEM-proven reliability — same units trusted by Ford, GM, and Dodge in production performance vehicles
• High torque ratings — product lines engineered to handle 500–800+ lb-ft, suitable for highly modified engines
• Broad application coverage — fits a wide range of muscle cars, sports cars, and custom builds
• Aftermarket support — extensive availability of rebuild kits, shifters, and installation components
• Driver-focused design — short, precise throws and refined synchronizers for an engaging driving experience

Whether you're sourcing a transmission for a numbers-matching resto-mod or a full-on race build, exploring the full Tremec brand catalog or browsing all available transmissions will help you find exactly the right gearbox for the job.