Made by Namura Kit includes 1 pistons, rings, pins, clips Image is for reference only Cast piston has super-high silicone content for additional strength Piston skirts are Molybdenium Teflon coated to minimize resistance/wear and provide extended lifePiston dome is anodized for superior heat resistance and longer lifespanKits are for standard bore - 87.00mmSize A pistons are 86.93mmMade in TaiwanFits: Polaris 850 models2009 Polaris Sportsman 850 XP2009 Polaris Sportsman 850 XP EPS2010 Polaris Sportsman 850 Touring EPS2010 Polaris Sportsman 850 XP2010 Polaris Sportsman 850 XP EPS2011 Polaris Sportsman 850 Forest2011 Polaris Sportsman 850 Touring EPS2011 Polaris Sportsman 850 XP2011 Polaris Sportsman 850 XP EPS2011 Polaris Sportsman 850 X22012 Polaris Sportsman 850 Forest2012 Polaris Sportsman 850 Touring EPS2012 Polaris Sportsman 850 XP2012 Polaris Sportsman 850 XP EPS2013 Polaris Scrambler 850 XP HO EPS2013 Polaris Sportsman 850 Forest2013 Polaris Sportsman 850 Touring HO EPS2013 Polaris Sportsman 850 XP2013 Polaris Sportsman 850 XP HO EPS2014 Polaris Scrambler 850 XP HO EPS2014 Polaris Sportsman 850 Forest2014 Polaris Sportsman 850 Touring HO EPS2014 Polaris Sportsman 850 WV2014 Polaris Sportsman 850 XP HO EPS