Gaskets and Seals

Latest additions to our line of high-quality genuine James gaskets, seals and O-ringsCover seals are a seal, not a gasketCover seals are molded rubber, beaded oil seals with metal inserts and work with all inspection and derby covers; fit billet, stamped...

Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...

Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...

Gasket Kit contains head gaskets, base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker box styles)Made in the U.S.A.

Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...

James Gasket Primary Cover Gasket Jgi-60540-36

Athena Top End Gasket Kit - Kawasaki P400250600071 Kawasaki -- KX 250 X -- (2021, 2022, 2023); Kawasaki -- KX 250 F -- (2021)

Head gaskets are made from aramid fiber-reinforced premium graphite material with a steel core, stainless steel fire ring and anti-stick coatingMade in the U.S.A.

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jacketsForged piston with molybdenum coatingSpecial gasket kitEasy-to-follow step-by-step installation instructionsAll are bolt-on; no machining required Yamaha -- YZ...

Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...

Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...

Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...