Manufactured by Namura Kit includes piston, rings, pin, clips, wrist pin bearing 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 83.00mm Piston is 82.94mm Made in Taiwan Fits 1994 Polaris 400L 2x4 1994 Polaris 400L 4x4 1994 Polaris 400L 6x6 1994 Polaris Sport 400L 1994 Polaris Sportsman 400 4x4 1995 Polaris 400L 2x4 1995 Polaris Big Boss 400L 6x6 1995 Polaris Scrambler 400 4x4 1995 Polaris Sport 400L 1995 Polaris Sportsman 400 4x4 1995 Polaris Xplorer 400 4x4 1996 Polaris Big Boss 400L 6x6 1996 Polaris Scrambler 400 4x4 1996 Polaris Sport 400L 1996 Polaris Sportsman 400 4x4 1996 Polaris Xplorer 400L 4x4 1996 Polaris Xpress 400 1997 Polaris Big Boss 400L 6x6 1997 Polaris Scrambler 400L 4x4 1997 Polaris Sport 400L 1997 Polaris Sportsman 400L 4x4 1997 Polaris Xplorer 400L 4x4 1997 Polaris Xpress 400 1998 Polaris Scrambler 400 4x4 1998 Polaris Sport 400L 1998 Polaris Xplorer 400L 4x4 1999 Polaris Scrambler 400 4x4 1999 Polaris Sport 400 1999 Polaris Xplorer 400 4x4 2000 Polaris Scrambler 400 2x4 2000 Polaris Scrambler 400 4x4 2000 Polaris Xplorer 400 4x4 2001 Polaris Scrambler 400 2x4 2001 Polaris Xplorer 400 4x4 2002 Polaris Scrambler 400 2x4 2002 Polaris Scrambler 400 4x4 2002 Polaris Xplorer 400 4x4 2003 Polaris Trail Blazer 400