Anti-swell, alloy-impregnated heavy-duty cork-based facings for smooth clutch take-up Allow modulation, unlike paper clutches that tend to snatch Complete engine set of friction plates, HD springs and steel separator plates prevent premature driven plate wear, oil muddying and loss of stack height Built with swagged aluminum carriers that spread the load on the clutch basket and prevent clutch basket "dogging" 10-15% uprated heavy duty clutch springs. CLUTCH KIT EBC MX DRC63