XFR - Aluminum .190 Swing Arm Skid Plate Guard Yamaha RAPTOR 660 (2001-2005) Fitment for: Yamaha Raptor 660 (2001-2005) Models Manufactured from .190 6060 Heat Treated Aluminum For Maximum Strength Full Coverage for Protection of Sprocket, Chain, and Brake Rotor Integrated Chain Wear Strip Simple Bolt On Design-Made in the U.S.A.