Yana Shiki CK96-074 Performance Series Clutch Kit for Yamaha YZF R6 Fits: YZF R6 (8 plate) (03-05) Complete clutch kit contains friction discs, separator plates and springs Fibers are made of paper friction material Plates are made of SPCC and are 3 mm thick Tension strength of the springs approximately 10 percent stronger than OE