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ATI and Jim Beattie are synonymous in the field of drag racing. It is common to find ATI equipped vehicles winning races throughout the United States, and the world. However, this tremendous success didn't happen overnight. ATI Performance Products, Inc is the creation of over 50 years of transmission and performance component manufacturing and racing experience.

Today, ATI manufactures a multitude of high performance parts including Competition Transmissions, Treemaster Converters, Super Dampers, Compu-Flow Valve Bodies, Flexplates, and Adapter Kits as well as a wide variety of performance enhancing internal components. ATI's commitment to racing has allowed the company to maintain a prominent position on the cutting edge of high performance component design and manufacturing.

Located in Baltimore, Maryland, ATI's corporate headquarters houses one of the most advanced machine shops in the industry. Jim's fascination with computer numerically controlled (CNC) machinery has produced a plant equipped with some of the finest CNC lathes, milling machines and machining centers available. The tolerances and the uniformity of each manufactured part are held to the highest standards. By investing in this technology, Jim Beattie has insured that his customers receive the highest quality performance components available anywhere. Just as ATI started, everything is produced in-house, in the USA!