Feature●Fits: Yamaha YFM 660 Raptor 660 (2001-2005), Grizzly 660 (2003-2008), Rhino 660 (2004-2007)●OEM Replacement●THIS ARE CYLINDER BOLTS, NOT HEAD BOLTS●The products are direct Replacement Parts for Hassle-Free Installation●THIS ITEM HAS TO BE INSTALLED BY PROFESSIONAL MECHANICS SPECIALIZED IN MOTORCYCLESDescription