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Since 1958, Quarter Master® has been providing winning clutches and driveline components to racers at every level - from Super Speedway to the Bullrings, from IRL to Rally, from NASCAR to the Weekend Warrior. Wheter it's on the straightaway or in-and-out of the turns, our products are built to exceed the racer's demand and need for reliability, high-performance and durability. Our passion and our commitment are to the racer's goal: winning!