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 91.00mm Piston is 90.96mm 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