Each American Powertrain Conversion kits include the components required to convert your vehicles manual driveline to a high perforamance Tremec Magnum 6-speed overdrive transmission. Magnum 6-speed (Wide Ratio) is rated at...
Each American Powertrain Conversion kits include the components required to convert your vehicles manual driveline to a high perforamance Tremec Magnum 6-speed overdrive transmission. Magnum 6-speed (Close Ratio) is rated at...
American Powertrain ProFit Conversion combo kits include the components required to convert your vehicles manual driveline to a modern Tremec TKX 5 speed manual overdrive transmission. Specially prepped case mods for easier...
These American Powertrain Tremec TKX 5-speed series overdrive high performance transmissions. Available in (Road Race) edition and offers a variety of flexibility features and is rated at 600 ft/lbs, includes a unique...

American Powertrain TKX 5-Speed Tremec Transmission; GM Applications; 26-Spline; Close Ratio: 0.81 O.D.
Classic $2894.99 ea
American Powertrain ProFit Conversion combo kits include the components required to convert your vehicles manual driveline to a modern Tremec TKX 5 speed manual overdrive transmission. Specially prepped case mods for easier...

1975-81 Camaro; Firebird; American Powertrain TKX 5-Speed Driveline Conversion Kit; 600ft-lb Constant Load Rated; Wide Ratio; 0.68 O.D.
Classic $4194.99 set
American Powertrain ProFit Conversion combo kits include the components required to convert your vehicles manual driveline to a modern Tremec TKX 5 speed manual overdrive transmission. Specially prepped case mods for easier...

1975-81 Camaro; Firebird; American Powertrain TKX 5-Speed Driveline Conversion Kit; 600ft-lb Constant Load Rated; Close Ratio; 0.81 O.D.
Classic $4175.99 set
American Powertrain Magnum Wide Ratio 6-Speed Tremec Transmission
New high performance Tremec Magnum 6-speed for most vehicle models. These premier T-6060 transmissions offers (Wide Ratio) setup gear ratio and double overdrive ratio, rated at 700 ft/lb torque capacity and for up to 700hp...

American Powertrain Magnum Wide Ratio 6-Speed Tremec Transmission
Classic $3544.99 ea
American Powertrain Magnum Close Ratio 6-Speed Tremec Transmission
New high performance Tremec Magnum 6-speed for most vehicle models. These premier T-6060 transmissions offers (Close Ratio) setup gear ratio and double overdrive ratio, rated at 700 ft/lb torque capacity and for up to 700hp...

American Powertrain Magnum Close Ratio 6-Speed Tremec Transmission
Classic $3544.99 ea
These American Powertrain Tremec TKX 5-speed series overdrive high performance transmissions. Available in (Quick Launch) edition and offers a variety of flexibility features and is rated at 500 ft/lbs, includes a unique...

American Powertrain TKX 5-Speed Tremec Transmission; GM Applications; 26-Spline; Quick Launch Close Ratio; 0.72 O.D.
Classic $2894.99 ea
American Powertrain Tremec TKX 5-speed series overdrive high performance transmission. The TKX 5-speed offers a variety of flexibility features and is rated at 600 ft/lbs, includes a unique internal shaft-rail system, 26...

American Powertrain TKX 5-Speed Tremec Transmission; GM Applications; 26-Spline; Wide Ratio: 0.68 O.D.
Classic $2894.99 ea