Manufactured by Namura Kit includes piston, rings, pin, clips, top end gasket kit you get exactly what is pictured Cast piston has super-high silicone content for additional strength Piston skirts are Molybdenium Teflon coated to minimize resistance/wear and provide extended life Piston dome is anodized for superior heat resistance and longer lifespan Namura gaskets use performance materials to increase durability and provide greater reliability Includes all gaskets pictured to rebuild top end Kit is for standard bore size 77.70mm Piston is 77.65mm Made in Taiwan Fits 2006 Polaris Hawkeye 300 2x4 2006 Polaris Hawkeye 300 4x4 2007 Polaris Hawkeye 300 2x4 2007 Polaris Hawkeye 300 4x4 2008 Polaris Hawkeye 300 2x4 2008 Polaris Sportsman 300 4x4 2009 Polaris Hawkeye 300 2x4 2009 Polaris Sportsman 300 4x4 2010 Polaris Hawkeye 300 2x4 2010 Polaris Sportsman 300 4x4