Apico factory racing clutch friction plates are manufactured using only the very best Paper or cork material available. A perfect up-grade to the standard OEM plates. BIKE FITMENT KTM 625 SMC 02-06 625 SXC AE 02-07 640 LC4 ADVENTURA 98-07 640 LC4 AE 02-06 640 DUKE II 99-06 640 EGS LC4 98-05 660 SMC SUPERMOTO 02-06