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 74.50mm Piston is 74.45mm Made in Taiwan Fits 1993 Honda TRX300EX Sportrax 1994 Honda TRX300EX Sportrax 1995 Honda TRX300EX Sportrax 1996 Honda TRX300EX Sportrax 1997 Honda TRX300EX Sportrax 1998 Honda TRX300EX Sportrax 1999 Honda TRX300EX Sportrax 2000 Honda TRX300EX Sportrax 2001 Honda TRX300EX Sportrax 2002 Honda TRX300EX Sportrax 2003 Honda TRX300EX Sportrax 2004 Honda TRX300EX Sportrax 2005 Honda TRX300EX Sportrax 2006 Honda TRX300EX Sportrax 2007 Honda TRX300EX Sportrax 2008 Honda TRX300EX Sportrax 2009 Honda TRX300X Sportrax