Gaskets and Seals

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...

Replacement Gaskets, Seals and O-Rings for Big Twin TransmissionsGet the top quality of Genuine James, delivered with the great service of Drag SpecialtiesGenuine James gaskets, seals and O-rings for Big Twin transmissions are made to lastMade in the U.S...

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...

Genuine James kits include matching head and base gaskets and O-rings where applicableMade in the U.S.A.

Cometic Transmission Gasket Kit - Fxd C9640

James Gasket 1 Piece Rocker Gasket - Evo Jgi-16779-99-X

Made in the U.S.A.

James Gasket Tappet Cover Gasket Kit - Twin Cam Jgi-11293-K

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 Front Tappet Block Gasket Jgi-18634-48-F

James Gasket Rear Tappet Block Gasket Jgi-18633-48-F