Cylinder Head and Cover Valves Springs Set Fits Yamaha Grizzly Rhino 660 YFM660 YXR660 (2002-2008) YAMAHA Polaris Sportsman XP 550 EFI

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Cylinder Head and Cover Valves Springs Set Fits Yamaha Grizzly Rhino 660 YFM660 YXR660 (2002-2008) YAMAHA Polaris Sportsman XP 550 EFICYLINDER COVER HEAD AND CYLINDER VALVES SPRINGS SET This product is fully assembled, including everything in the photos This product was Balanced for Reduced Vibration and Ultra Smooth Operation Ready to install OEM Replacement Includes Cylinder Head and Cylinder Head Cover Replacement, Engine Valves and Springs Made of Cast Aluminum, CNC Machined to meet Factory Tolerances THIS ITEM HAS TO BE INSTALLED BY PROFESSIONAL MECHANICS SPECIALIZED IN ATV AND