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GM Performance Transmissions

GM High Performance Transmissions

If you’re in the market for a GM high performance transmission, you’re in the right place. We are dedicated to engineering and building the finest Chevy and GM high performance transmissions in the world. Our custom, hand-built high performance transmissions can handle up to 1200 horsepower, 1000 ft-lbs of torque, and are built with the highest quality parts available.

Our GM high performance transmissions are built to the horsepower, torque, and rear gear ratio specs of the engine that it will be matched to. Unlike other high performance transmissions builders, each individual transmission is built by one technician from start to finish. Before a transmission and torque converter leaves our facility, it is dyno tested for the equivalent of 100 miles to insure that it is in proper working condition.

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High Performance Automatic Transmissions & Converters | Gearstar Performance