CNC-machined billet aluminum design features over twice the friction area of the stock clutchProvide positive engagement and releaseIncorporate six heavy-duty coil springs instead of the diaphragm spring; include an extra heavy-duty set of springs for higher horsepower applicationsFriction plates are compatible with most primary oil (36-47 can run wet or dry)Simple bolt-on installation; requires the original clutch shell; no machining is necessaryKits include clutch hub, drive plates, driven plates, (two) sets of clutch springs, pressure plate and necessary hardwareSets of replacement fiber and steel clutch plates available separatelyMade in the U.S.A.