Ensure your semi is Ready for the Road Ahead™ with a seamless transition of gears, with the Eaton 15.5" x 2" 9-Spring Advantage® Self-Adjust Clutch. By engaging / disengaging the engine from the transmission, this replacement component permits the safe change of gears. Built with top-tier materials to reduce drag, transmit maximum power, and deliver a smooth engagement. FleetPride is your First Click in Heavy Duty®.