From mild to wild, our lineup of TH400 transmissions are ready to handle up to 2200 horsepower no matter the application. Whether you’re on a prepped surface, a concrete patch, dirt, an oval or anything else, our Turbo 400s are up to the task. With various options for case material, transbrakes, input shaft & output shaft materials, direct drum materials, valve bodies, 1st & 2nd gear leave, and much more, TSI has a TH400 for you.

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