The Centerforce DYAD XDS 8.75” twin disc clutch has been developed for vehicles requiring a holding capacity of 400 to 800 ft/lbs of torque at the crank. The Centerforce DYAD XDS 10.4” twin disc clutch has been developed for vehicles requiring a holding capacity of 700 to 1600 ft/lbs of torque at the crank. The pressure plate features our patented centrifugal weight system (where applicable) for superior clamp load over stock and our patented ball bearing actuated pressure plate (where applicable) providing light pedal effort. The disc pack is equipped with metallic friction material providing increased holding capacity and is available in either sprung or solid hub (possible gear noise) depending on the the application. DYAD XDS clutches are equipped with a lightened billet steel flywheel providing low inertia resulting in quicker RPMs. Due to the aggressive nature of this race inspired clutch, vehicles may experience some floater noise and/or chatter during operation. All components are made in the USA, match balanced and ready for installation using the included ARP fasteners.;No complicated setup or adjustments required;Fully dampened clutch system developed for vehicles with extreme power levels;Patented ball bearing pressure plate;Patented multi-disc floating disc and drive disc design;Race proven paddle style discs;Quiet, positive drive floater;Great drivability and light pedal effort;Holds 400 to 1600 ft/lbs of torque at the flywheel;Precision balanced;Greater longevity;ARP fasteners;Excellent driver control;Comes preassembled for your convenience;Specification card included!