Hardware & Accessories

Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during mid-seasonKits include a top-of-the line MLSS head gasket and two or more premium-quality base gaskets of different thicknesses to...

Replacement O-ring set for Pro Design Cool Head Shells. Yamaha -- Banshee 350 4x2 -- (1992, 1994, 1989, 1997, 1991, 1996, 1998, 1988, 1990, 1987, 1993, 1995, 2001, 2003, 2002, 2004, 2000, 2005, 1999, 2006)

OEM replacement dome O-ring for Pro Design cool head shells Honda -- TRX250R FourTrax -- (1987, 1988, 1989, 1986); Suzuki -- LT-R 250 QuadRacer -- (1988, 1989, 1987, 1992, 1990, 1991)

OEM replacement O-ring for Pro Circuit water pump cover. Kawasaki -- KX 250 F -- (2004); Suzuki -- RM-Z 250 -- (2004)

Superior-quality gasket sets from AthenaHead gaskets feature rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core materials feature high springback and superior tensile strengthRevolutionary transparent coating...

Superior-quality gasket sets from AthenaHead gaskets feature rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core materials feature high springback and superior tensile strengthRevolutionary transparent coating...

Superior-quality gasket sets from AthenaHead gaskets feature rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core materials feature high springback and superior tensile strengthRevolutionary transparent coating...

Superior-quality gasket sets from AthenaHead gaskets feature rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core materials feature high springback and superior tensile strengthRevolutionary transparent coating...

Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washersKit contents will vary slightly based on applicationKits do not contain replacement bearings Yamaha -- YZ 450 F -- (2008, 2007, 2006, 2009); Yamaha -- WR 450 F --...

Include water pump gasket, clutch cover gasket, water pump shaft oil seals and washersKit contents will vary slightly based on applicationKits do not contain replacement bearings Yamaha -- YZ 125 -- (2003, 2000, 2001, 2004, 1998, 2002, 1999)

Superior-quality gasket sets from AthenaHead gaskets feature rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core materials feature high springback and superior tensile strengthRevolutionary transparent coating...

Head gaskets feature rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core materials feature high spring-back and superior tensile strengthRevolutionary transparent coating guarantees a perfect seal even at extremely...