Wiseco CC002 High Performance Cam Chain Fits: Honda CRF450R 2002-2008, CRF450X 2005-2009, TRX450R 2006-2009 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