ATI Performance Products has been offering quality, state-of-the-art race products - for more than half a century! Nowadays, ATI manufactures a wide array of high performance parts. It includes competition transmissions as well as a huge variety of performance enhancing internal transmission components. Innovative designs, coupled with a dedication to racing, allows the company to keep a significant position on the cutting edge of high performance component design and manufacturing. ATI proudly holds over a dozen U.S. Government patents. ATI also produces a complete line of Torque Converter Rebuilding Equipment.