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American Powertrain Introduces High Horsepower GEN III HEMI® 6-Speed Transmission Package

New Product   |   Posted: 07/13/2021
Posted by: American Powertrain

Cookeville, TN (July 13, 2021) American Powertrain now offers a new T-56 Magnum package designed for GEN III HEMI®, Hellcat, Hellcrate and Hellephant engines up to 1100 hp. The Stage 2 upgrade takes high horsepower Tremec® Magnum 6-speeds to a new level with increased torque capacity up to 1100 lbs-ft of torque. The package includes transmission backed up with a proven DYAD dual disc clutch by Centerforce® Clutches, rated for a holding capacity of 1100 lbs-ft of torque at the crank. The kit also includes a QuickTime steel scattershield bellhousing, Hydramax hydraulic conversion bearing, four quarts of transmission fluid and all the hardware needed for installation.

The Magnum 6-speed package is designed for enthusiasts planning a GEN III swap into a classic Mopar muscle car. American Powertrain is the one stop shop for all installation parts for a complete swap including the crossmember and correct shifter location.

For more information about the new GEN III Hemi Package, visit or call 931-646-4836 to speak with one of American Powertrain’s highly qualified sales technicians.

American Powertrain exists to help muscle car owners equip their cars with modern drivetrain technology, offering overdrive transmission systems, hydraulic clutch kits and a wide range of drivetrain related parts from diff to block. Since American Powertrain opened for business, we have quickly become the world’s largest TREMEC dealer. Our installation parts and systems are proudly made right here in America for unmatched quality. Our staff of highly experienced enthusiasts has years of experience helping car owners and builders make the right drivetrain choices.

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