Manufactured by Namura Kit includes piston, rings, pin, clips 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 Kit is for .040 over bore size 81.00mm Piston is 80.96mm *** 2 Pistons are required for this machine *** Made in Taiwan Fits 2004 Arctic Cat 650 4x4 V2 Automatic 2004 Arctic Cat 650 4x4 V2 LE Automatic 2004 Arctic Cat 650 4x4 V2 MRP Automatic 2005 Arctic Cat 650 4x4 V2 Automatic 2005 Arctic Cat 650 4x4 V2 LE Automatic 2006 Arctic Cat 650 4x4 V2 Automatic 2006 Arctic Cat 650 4x4 V2 LE Automatic 2006 Arctic Cat 650 4x4 V2 Tony Stewart Automatic