Product Details: Prepare your semi to be Ready for the Road Ahead™, with the Eaton 15 1/2" Coaxial 7 Spring EverTough Manual Adjust Clutch that provides a seamless transition of gears. This replacement clutch allows the engine to engage / disengage from the transmission, permitting the safe change of gears. Engineered with top-tier materials to deliver a smooth engagement, transmit maximum power, and reduce drag. FleetPride is your First Click in Heavy Duty®.