Wiseco CC022 High Performance Cam Chain Fits: Kawasaki KX450F 2009-2013; Yamaha YZ450F 2010-2013 Each cam chain is made from premium materials for reduced friction and increased service life and are expert engineered to exceed OEM specifications and tolerances M style chains offer maximum strength and durability Features precision solid bushings and shot peened parts Perfect complement to the Wiseco camshafts