American Powertrain Pro-Fit TKX 5-Speed Systems for 1982-1992 F Body Camaro/Firebird
This all-new transmission from American Powertrain has a 600 lb-ft of torque capacity with shifts up to 7800 RPM.
American Powertrain GEN III HEMI 6-Speed Transmission Package
The Magnum 6-speed package is designed for enthusiasts planning a GEN III swap into a classic Mopar muscle car.
American Powertrain Pro-Fit TKK 5-Speed Systems
The TKX Pro-Fit fits vintage Charger, Coronet, GTX, Road Runner, Satellite, Belvedere, Super Bird and Super Bees like an original A833 manual transmission with the correct shift position and tunnel fit.
Tremec Pro-Fit TKX 5-Speed Systems
The new Pro-Fit 5-speed system features the new Tremec TKX transmission with 600 lb.-ft. of torque capacity with shifts up to 8,000 rpm.
American Powertrain Pfitzner Gear Upgrades for TREMEC Magnum 6-Speed
Made of motorsports grade billet steel, the Pfitzner Gear upgrade designed for Magnum 6-speeds incorporates a unique PPG synchro tooth design for fast engagement.
American Powertrain GM/Tremec Magnum Bellhousings
Bolts small/big block Chevys and Buick Olds Pontiac V8 engines to Tremec’s Magnum T56 6-Speed transmission.
American Powertrain Mopar Aluminum Bellhousing
This bellhousing is compatible with the TREMEC GM Magnum or Viper 6-speed transmission and will bolt up to any Mopar small block.
American Powertrain Pro-Fit 5-Speed and 6-Speed System
The “Squarebody” Chevy truck is growing in popularity, so American Powertrain has introduced its new Pro-Fit 5-speed and 6-speed system.
American Powertrain 1988-’98 Chevy/GMC C1500 Truck Transmission Kits
American Powertrain now fills in the gap of high performance manual transmission options for the Chevrolet C1500 series with their new 1988-98 Chevy/GMC (OBS) truck 5 and 6-speed kits.
American Powertrain Expands Distribution
American Powertrain, a large TREMEC dealer and manufacturer of muscle car transmission systems and related components, has announced that the company’s products are now available at Original Parts Group Inc.
American Powertrain Announces New Pro-Fit 6-Speed System for 1968-’82 C3 Corvettes
American Powertrain is now introducing the next generation Pro-Fit 6-speed system for 1968-’82 C3 Corvettes. The system looks like the original 4-speed transmission with the correct shifter position in the factory console. Designed as a complete kit, it features an American Powertrain customized TREMEC MAGNUM 6-speed transmission.