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 .040 over bore size 100.00mm Piston is 99.94mm Made in Taiwan Fits 2012 Polaris 570 RZR EFI 2013 Polaris 570 RZR EFI 2014 Polaris 570 Ranger EFI 2014 Polaris 570 Ranger EFI EPS 2014 Polaris 570 Ranger Crew EFI 2014 Polaris 570 RZR 2014 Polaris 570 RZR LE 2014 Polaris 570 Sportsman 2014 Polaris 570 Sportsman EPS 2014 Polaris 570 Sportsman Touring 2015 Polaris 570 Ranger 2015 Polaris 570 Ranger EPS 2015 Polaris 570 Ranger Full Size 2015 Polaris 570 Ranger Crew 2015 Polaris 570 Ranger Crew EPS 2015 Polaris 570 Ranger Crew Full-Size 2015 Polaris 570 Ranger Crew Full-Size EPS 2015 Polaris 570 RZR 2015 Polaris 570 RZR EPS 2015 Polaris 570 Sportsman 2015 Polaris 570 Sportsman ACE 2015 Polaris 570 Sportsman ACE SP 2015 Polaris 570 Sportsman EPS 2015 Polaris 570 Sportsman SP 2015 Polaris 570 Sportsman Touring 2015 Polaris 570 Sportsman Touring SP 2015 Polaris 570 Sportsman X2