Harley Engine Gaskets and Kits

COMETIC Rocker Gasket EST XL C9764Premium materials used for specific applications to provide a long, service free life, Kits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxes, Made in the U.S.A.

COMETIC Top End Gasket Kit XL1200 EST C9763EST (Extreme Sealing Technology) gasket kits include embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber material, Head gasket material allows heat to be drawn away from the...

COMETIC Top End Gasket Kit XL1200 EST C9762EST (Extreme Sealing Technology) gasket kits include embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber material, Head gasket material allows heat to be drawn away from the...

COMETIC Top End Gasket Kit XL1100 EST C9761EST (Extreme Sealing Technology) gasket kits include embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber material, Head gasket material allows heat to be drawn away from the...

COMETIC Top End Gasket Kit XL883 EST C9760EST (Extreme Sealing Technology) gasket kits include embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber material, Head gasket material allows heat to be drawn away from the...

COMETIC Rocker Gasket EST Big Twin C9753Premium materials used for specific applications to provide a long, service free life, Kits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxes, Made in the U.S.A.

COMETIC Rocker Gasket EST Big Twin C9752Premium materials used for specific applications to provide a long, service free life, Kits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxes, Made in the U.S.A.

COMETIC Rocker Box Gasket XL C9066Premium materials used for specific applications to provide a long, service free life, Kits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxes, Made in the U.S.A.

COMETIC Rocker Box Gasket C9078Premium materials used for specific applications to provide a long, service free life, Kits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxes, Made in the U.S.A.

COMETIC Copper Base Gasket 3-5/8" Big Twin C9620Cylinder base gasket for Sportster models

COMETIC Copper Base Gasket Big Twin C9029Cylinder base gasket for Sportster models

COMETIC Base Gasket 3-5/8" EVO/XL C9555Cylinder base gasket for Sportster models

COMETIC Metal Base Gasket EVO/XL C9553Cylinder base gasket for Sportster models

COMETIC Base Gasket 3-5/8" EVO/Big Twin C9552Cylinder base gasket for Sportster models

COMETIC Metal Base Gasket Big Twin C9551Cylinder base gasket for Sportster models

COMETIC Copper Base Gasket XL C9025Center or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirements, Outer layers are embossed and coated on both sides with Viton to meet the demands of a variety of...

COMETIC Left Rocker Box Gasket Big Twin C9562Viton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides., Made in the U.S.A.

COMETIC Tappet Cover Gasket Twin Cam C9578Made in the U.S.A.

COMETIC Rocker Cover Gasket .020" Twin Cam C9577Viton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides., Made in the U.S.A.

COMETIC Rocker Box Gasket Kit Twin Cam C9588Premium materials used for specific applications to provide a long, service free life, Kits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxes, Made in the U.S.A.