Built for the tougher new world of four stroke Motorcycles the DRCF kit swaps the stock type cork friction plates for a new set of severe duty carbon fiber lined friction plates for better heat and wear abilitiesPin planished steel driven plates that spread the oil around the clutch better and prevent more clutch burn-up than ever before!EBC unique alloy article impregnated clutch facings that wear longer and resists burning plus.Full engine set resets clutch precisely to new with the inclusion of the heavy duty clutch spring set.But the new DRCF kits not only work well on strokers, they work great on ATV and two stroke motocross machines also.