American Powertrain Archives - Transmission Digest
American Powertrain adds GearStar automatic transmissions for Ford, Chevy, Mopar

American Powertrain announced that it has added GearStar automatic transmissions for Ford, Chevy, and Mopar. Transmissions include the 4L60E for SBC, BBC and early LT engines; the 4L65E for LS and late LT engines; SB and BB Mopar and Gen III engines; the 4L80E for LS engines; and late model LTs and the 4R70W for Ford small block engines.  Each GearStar

American Powertrain introduces ProTwin disc clutch for GM, Ford and Mopar

American Powertrain announced that it now offers a new ProTwin twin disc clutch kit for GM, Ford and Mopar performance applications. The kit comes with a billet steel flywheel, pressure plate, two drive discs, floater, flywheel crank bolts, pilot bearing and alignment tool. Each clutch kit comes fully balanced and features 1100 ft./lbs. of torque

American Powertrain introduces new transmission install tool and seal protector

American Powertrain has introduced a new seal protector and install tool, now included with every Tremec TKX and Magnum transmission kit the company sells. It is also available as a standalone product. Designed as a multi-function tool that can prevent fluid from escaping during service, the seal protector is splined on the inside and features

American Powertrain offers Camaro Tremec GM Magnum XL six-speed transmission conversion kit

American Powertrain now offers a Tremec GM Magnum XL six-speed transmission conversion kit for any 2010-2015 fifth-generation Camaro (SS) equipped with a V8 engine. This kit can be purchased with a choice of two gear sets as a replacement for the TR-6060, and is rated at over 700 lb./ft. torque with close to 8,000 RPM shift

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American Powertrain offers Tremec TR-4050 kit for Chevy/GMC trucks

American Powertrain now offers a Tremec 4×2 TR-4050 five-speed Pro-Fit HD manual transmission kit designed for 1988-98 Chevy/GMC OBS light- and medium-duty trucks. The Chevy/GMC OBS 4×2 kit includes a short throw White Lightning Shifter designed for the TR-4050, a crossmember adapter bracket that works with the original factory crossmember, bell housing, hydraulic bearing, pilot

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American Powertrain introduces Chevy/GMC 4×4 Tremec 4050 transmission kit for vintage pickups

American Powertrain is introducing a Square Body Chevy/GMC 4×4 kit for the Tremec TR-4050 five-speed, four wheel drive manual transmission designed to fit 1973 to 1987 pickups and SUVs, which the company notes includes Chevy Suburbans, Jimmys and Blazers. The kit includes: an aluminum CNC machined bell housing, Hydramax hydraulic clutch and components, flywheel and

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Hydramax releases under-dash hydraulic clutch system for Chevrolet C10 trucks

American Powertrain has introduced a new line of Hydramax bolt-in, under-dash Hydraulic Clutch Systems, a kit designed for 1967-1972 Chevy C10 trucks. The kit features an integrated under-dash hydraulic master cylinder and a bolt-in clutch pedal. The included clutch pedal allows for conversion to hydraulic, or an automatic car to manual. The new Hydramax kit

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Hydramax releases under-dash hydraulic clutch system for Fox body Mustangs

American Powertrain has intoduced the Hydramax bolt-in, under-dash Hydraulic Clutch System designed for 1979 to 1993 Fox body Mustangs. The company says it completely eliminates the need for a cable-actuated clutch pedal. The new system features an integrated under-dash hydraulic master cylinder and a bolt-in clutch pedal. The included clutch pedal allows for an easy

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High Horsepower GEN III HEMI 6-Speed Transmission Package

The Stage 2 upgrade takes high horsepower Tremec Magnum 6-speeds to a new level.

Billet 5-Speed Shifter

American Powertrain has announced an all-new White Lightning shifter for TREMEC TKX 5-speed transmissions. The new TKX already shifts smoothly out of the box but American Powertrain takes it to the next level. Bolting on a White Lightning shifter shortens the shift by 30% and allows multiple shifter positions. White Lightning shifters feature the patented