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 .020 over bore size 90.50mm Piston is 90.46mm Made in Taiwan Fits 1998 Honda Foreman 450 4x4 ES TRX450ES 1998 Honda Foreman 450 4x4 S TRX450S 1999 Honda Foreman 450 4x4 ES TRX450ES 1999 Honda Foreman 450 4x4 S TRX450S 2000 Honda Foreman 450 4x4 ES TRX450ES 2000 Honda Foreman 450 4x4 S TRX450S 2001 Honda Foreman 450 4x4 ES TRX450ES 2001 Honda Foreman 450 4x4 S TRX450S 2002 Honda Foreman 450 4x4 ES TRX450FE 2002 Honda Foreman 450 4x4 S TRX450FM 2003 Honda Foreman 450 4x4 ES TRX450FE 2003 Honda Foreman 450 4x4 S TRX450FM 2004 Honda Foreman 450 4x4 ES TRX450FE 2004 Honda Foreman 450 4x4 S TRX450FM