For automotive enthusiasts, the name TREMEC is synonymous manual transmissions engineered with precision, durability, and performance, PLUS an overdrive. So you can have industry leading shifting and performance, with better mileage, and reduced engine wear by keeping your cruising RPM and your engine temp gauges low. At American Powertrain it is our mission to take the latest TREMEC Transmissions such as the Magnum 6 Speed and TKX 5 speed and adapt them to almost any popular classic musclecar, truck, or hot rods and provide you with everything you need from the block to the differential to make them fit and work in your car.

TREMEC’s Legacy of Excellence

TREMEC, short for Transmission Technologies Corporation, has been a pioneer in the field of manual transmissions for over five decades. Established in 1964, this Mexican-based company has consistently set the bar high in terms of quality and performance. Over the years, they’ve developed a stellar reputation for manufacturing transmissions that can handle the immense power and torque generated by high-performance vehicles.

A Wide Range of Applications

TREMEC transmissions are not limited to any specific vehicle brand or type. Instead, they cater to a wide range of applications, making their mark in various segments of the automotive world. From muscle cars like the Ford Mustang and Chevrolet Camaro to sports cars like the Dodge Viper and the Shelby GT500, and even supercars like the Ford GT, you’ll find TREMEC transmissions driving some of the most iconic and powerful vehicles on the road.

Innovative Engineering

What sets TREMEC apart is their commitment to innovation and precision engineering. Their transmissions are designed to handle high levels of power, offering gearboxes that can withstand the stress of heavy acceleration and quick shifts. One of their standout achievements is the TREMEC Magnum 6-speed transmission, which has become a go-to choice for many car enthusiasts seeking a manual gearbox with exceptional strength and smooth operation. The most recent development is the TREMEC TKX 5 Speed transmission that was actually designed for the aftermarket enthusiast to fit in many more classic transmission tunnels without or with minimal cutting or modifications.

Smooth Shifting and Performance

Performance isn’t just about raw power; it’s also about control. TREMEC transmissions provide the driver with precise and smooth shifting, allowing them to extract the maximum performance from their vehicle. This level of control is especially critical for track days and competitive driving where split-second decisions can make all the difference.

Durability that Stands the Test of Time

In the world of high-performance vehicles, durability is non-negotiable. TREMEC transmissions are renowned for their longevity, ensuring that they can handle the demands of both daily driving and spirited racing without missing a beat. Their robust construction and high-quality materials mean that these transmissions are built to last.

For automotive enthusiasts, the name TREMEC is synonymous with performance, precision, and power. Whether you’re looking to upgrade your classic muscle car or seeking the ultimate transmission for your modern sports car, TREMEC has you covered. With a legacy of excellence spanning more than half a century and a commitment to innovation, TREMEC performance transmissions continue to be the driving force behind some of the most thrilling rides on the road today. So, when you’re in pursuit of speed and control, trust TREMEC to deliver the transmission that will unlock the full potential of your vehicle.

The TREMEC Transmissions We Sell At American Powertrain

TREMEC is a well-known manufacturer of manual transmissions, and they produce several different models that cater to various applications. Here’s a brief overview of the TREMEC Magnum, TKX, TR-4050, and T5 transmissions we sell at American Powertrain:

TREMEC Magnum 6 Speed Transmission:

• The TREMEC Magnum is a series of high-performance manual transmissions designed for modern muscle cars and high-powered sports cars.
• Available in multiple versions, such as the Magnum 6-speed, Ford/GM Magnum XL 6-speeds, and Magnum F for 4th Gen F-Body.
• Known for its robust construction, smooth shifting, and high torque-handling capabilities, making it suitable for high-horsepower applications.
• Features include double and triple-cone synchronizers for improved shift quality and a variety of gear ratios to suit different driving needs.
• American Powertrain can also polish and cryo treat gears and perform other modifications for improved performance and horsepower/torque capacity

TREMEC Magnum 6-Speed Transmission

Get the ultimate in performance and durability with the TREMEC Magnum 6-Speed Transmission. Designed for serious enthusiasts and builders, the Magnum delivers smooth, precise shifting and unmatched strength, making it perfect for high-power applications. Whether you’re upgrading a classic Ford, GM, Mopar, or a custom build, the Magnum’s close and wide ratio options provide the flexibility you need to optimize your driving experience. Pair it with our selection of high-quality transmission fluids and service packages to keep your Magnum performing at its best. Explore our range and find the perfect Magnum 6-speed to transform your project into a true performance machine.

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TREMEC Magnum XL 6 Speed Transmission

Get the precise, quick shifts you need with the TREMEC Magnum XL 6-Speed Transmission, built for high-performance driving and unmatched reliability. Whether you’re upgrading a Mustang or a Camaro, this transmission offers smooth, consistent shifts and the strength to handle serious horsepower. Designed for easy installation and available with various gear ratios, the Magnum XL is the perfect solution for those seeking a modern, responsive feel in their classic or late-model vehicle. Pair it with our selection of premium transmission fluids and service packages to ensure optimal performance and longevity. Upgrade your drivetrain and experience the difference with every shift.

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TREMEC MAGNUM-F

The TREMEC Magnum-F series is the ideal solution for upgrading your classic muscle car with modern transmission technology. As the world’s largest TREMEC dealer, we offer high-quality, American-made drivetrain systems and components designed for superior performance and reliability. Our expert team is dedicated to helping you find the perfect fit for your project, ensuring you get the best driving experience possible. Transform your ride with the TREMEC Magnum-F and experience unmatched precision and strength on the road.

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TREMEC TKX 5 Speed Transmission:

• The TREMEC TKX is a 5-speed manual transmission designed for a wide range of performance and classic car applications.
• Features a compact and lightweight design, making it suitable for retrofitting into older vehicles.
• Known for its smooth and precise shifting with improved shift forks and synchronizers.
• Offers a variety of gear ratio options to match different engine and driving preferences.

TKX 5-Speed

Upgrade your drivetrain with the precision and strength of the TREMEC TKX 5-Speed transmission. Engineered for high-performance applications, the TKX offers smooth shifting, increased torque capacity, and a compact design that fits easily into classic muscle cars and custom builds. With various gear ratios and spline options for both GM and Ford setups, the TKX is versatile enough to handle anything from street driving to competitive racing. Pair it with our White Lightning shifter and premium transmission fluids for the ultimate in performance and reliability. Explore our selection and take your project to the next level with the TKX 5-Speed, built to deliver power and precision with every shift.

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TREMEC TR-4050 5 Speed Transmission:

• The TREMEC TR-4050 is a versatile 5-speed manual transmission that combines a robust truck transmission with a synchronized car-like shifting experience.
• Originally designed for off-road and 4×4 applications, it offers the durability required for demanding conditions.
• Features a “granny low” first gear for enhanced off-road crawling capability and synchronized gears for smoother on-road driving.

TREMEC TR4050

Take your truck’s performance to the next level with the TREMEC TR-4050 5-speed transmission. Perfect for classic and modern trucks, this robust transmission offers the durability and gearing needed for off-road adventures, towing, and everyday driving. With its smooth shifting and overdrive capability, the TR-4050 brings a modern driving feel to your vintage Chevy, GMC, or Dodge truck. Whether you’re upgrading a Squarebody, OBS, or any other classic truck, our TR-4050 kits are designed for easy installation and optimal performance. Explore our range of TR-4050 options to find the perfect match for your build and enjoy the best in reliability and drivability.

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TREMEC T5 5 Speed Transmission:

• The T5 is a 5-speed manual transmission that was widely used in various American and import vehicles, particularly in the 1980s and 1990s.
• Known for its relatively compact and lightweight design, making it suitable for smaller cars.
• While not as robust as some other TREMEC transmissions, the T5 is still a reliable choice for moderate-powered vehicles and restoration projects.
• Comes in different versions, with varying gear ratios and torque-handling capabilities.

TREMEC T5

TREMEC T5 Transmissions

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These transmissions serve different purposes and have distinct characteristics, so the choice between them depends on the specific vehicle, powertrain setup, and driving requirements. TREMEC is known for its high-quality transmissions, and these models offer a range of options for both modern and classic car enthusiasts.

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