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 96.60mm Piston is 96.57mm Made in Taiwan Fits 2009 Polaris 550 Sportsman XP 2009 Polaris 550 Sportsman XP EPS 2010 Polaris 550 Sportsman EPS 2010 Polaris 550 Sportsman Touring EPS 2010 Polaris 550 Sportsman XP 2010 Polaris 550 Sportsman X2 2011 Polaris 550 Sportsman 2011 Polaris 550 Sportsman EPS 2011 Polaris 550 Sportsman Forest 2011 Polaris 550 Sportsman Touring EPS 2011 Polaris 550 Sportsman X2 2012 Polaris 550 Sportsman 2012 Polaris 550 Sportsman EPS 2012 Polaris 550 Sportsman Forest 2012 Polaris 550 Sportsman Touring EPS 2012 Polaris 550 Sportsman X2 2013 Polaris 550 Sportsman 2013 Polaris 550 Sportsman EPS 2013 Polaris 550 Sportsman Forest 2013 Polaris 550 Sportsman Touring EPS 2013 Polaris 550 Sportsman X2 2013 Polaris 550 Sportsman XP HD 2014 Polaris 550 Sportsman EPS 2014 Polaris 550 Sportsman Forest 2014 Polaris 550 Sportsman Touring EPS 2014 Polaris 550 Sportsman X2 EPS 2014 Polaris 550 Sportsman X2 EPS LE 2014 Polaris 550 Sportsman XP EPS