EXEDY 15803HD Racing Clutch Kit Ultra Fiber Discs provides high heat resistance essential for street performance and mild racing applications. The discs have a copper weave that will increase the heat resistance characteristics and burst strength eliminating the need to reinforce the friction material with steel plates Clutch covers are designed to achieve clamp loads that are 40% than the OE part allowing a higher torque transmitting capacity Pressure plates are manufactured using ductile material allowing for high burst strength in all temperature ranges The unique Ductile material ensures durability and long life.