Please Note: 1.Please Compare Your Original Unit With The Picture. 2.Please check part photos, part number (those two are critical), part description and compatibility chart above carefully to make sure it is what you need. 100% Brand New and High Quality As shown in the figure, the product consists of Cam Timing Chain and Cam Chain Guides. One guide is for the front of the cam chain and the other goes behind the cam chain. OEM Part Number: CHAIN?(BF05M 90L)94500-02090-00 GUIDES?3Y1-12231-01-00?1UY-12241-00-00 Package: 2 x Cam Chain Guides 1 x Cam Timing Chain 2 x Screw This Cam Timing Chain & Guides fits the following models: For Yamaha Big Bear 350 YFM350FW 4x4 1987-1997 For Yamaha Moto 4 YFM350ER 1987-1995 For Yamaha RAPTOR 350 YFM350R 2004-2013 For Yamaha WARRIOR 350 YFM350X 1987-2004 For Yamaha WOLVERINE YFM350 1995-2005