Engine Gaskets

Cometic Cylinder Base Gasket Set. RCS 3-5/8" Big Bore – 1948–1965 Panhead with S&S 3-5/8" Big… Front & rear gasket for one engine. .020" th...

Cometic Gasket Transmission Top Cover. AFM – 1986–1999 Big Twin AFM (Aluminum Foamette Material). OEM replacement reference 34904-86; 34904-86A; 34...

Cometic EST Top End Gasket Kit. Evo B.T. 3-13/16" Big Bore – 1992–1999 Evo Big Twin with 3-13/16" Big… With 3.812" bore MLS (Multi-Layer-Steel) .03...

Cometic EST Top End Gasket Kit. Twin Cam 4-1/8" Bore – 1999–2017 Twin Cam with 4-1/8" Bore With MLS (Multi-Layer-Steel) .030" thick head gaskets. T...

Cometic EST Top End Gasket Kit. Twin Cam 3-7/8" Bore – 1999–2017 95"/103" Twin Cam With MLS (Multi-Layer-Steel) .051" thick head gaskets. The SLS (...

Cometic EST Top End Gasket Kit. S&S Evo 4" Bore – All S&S Evo Style Engines with 4" Bore… With MLS (Multi-Layer-Steel) .040" thick head gas...

Cometic Cylinder Head Gasket Set. 4-1/4" .036" MLS – 2002–2007 V-Rod with 4-1/8" Big Bore… .036" MLS (Multi Layer Steel). MLS consists of a top and...

Cometic EST Top End Gasket Kit. Evo XL 3-3/4" Big Bore – 1986–1990 4-Speed XL Sportster with… With MLS (Multi-Layer-Steel) .040" thick head gaskets...

Cometic Cylinder Head Gasket Set. 4-1/8" .051" MLS – 1999–2017 Twin Cam with 4-1/8" Big Bore… .051" thick MLS (Multi Layer Steel). Consists of a to...

Cometic Cylinder Head Gaskets 4" Bore .045" MLS – 1999–2017 Twin Cam MLS (Multi Layer Steel). Front & rear gasket for one engine. 4.00" bore fi...

Cometic Gasket Starter Hole Cover. .060" AFM – 1971–1978 FX Models & Other 65-E84… .060" thick AFM (Aluminum Foamet Material). Gasket for the O...

Cometic Cam Cover Gaskets. .060" AFM – 1936–1940 E; EL Knucklehead .060" thick AFM (Aluminum Foamet Material). AFM gaskets are made with an aluminu...

Cometic Pushrod Cover Spring – 1936–2025 Big Twin; 1957–1990 XL… OEM style reproduction. Used between the spring and seal of the lower pushrod tube...

Cometic Cylinder Head Gasket Set. 3-3/4" .030" MLS – 1984–1999 Big Twin .030" thick MLS (Multi Layer Steel). Consists of a top and bottom layer of ...

Cometic Cylinder Head. 3.5" Bore .051" MLS – 1984–1999 Big Twin; 1988–2022 XL… .051" thick MLS (Multi Layer Steel). Consists of a top and bottom la...

Cometic Air Cleaner Backing Plate O-ring – Some 1998–2007 Big Twin; Some 2006–2016… In aircleaner back plate. Seals breather bolt. OEM replacement ...

Cometic Oil Pump End Cap O-rings – 1992–1999 Evo Big Twin 2 used. OEM replacement reference 11241. Fitment 92-99 Evo Big Twin (NU) Product Details ...

Cometic Gasket Transmission Oil Pan. .060" AFM – 1999–2016 FLT/Touring .060" AFM (Aluminum Foamet Material). OEM replacement reference 26077-99A. C...

Cometic Transmission Oil Pan Gaskets. .060" AFM – 1999–2017 Dyna .060" AFM (Aluminum Foamet Material). OEM replacement reference 26702-99A. Cometic...

Cometic Gasket Transmission Top Cover. AFM – 1999–2005 Dyna AFM (Aluminum Foamette Material). OEM replacement reference 34917-99; 34917-99A; 34917-...

Cometic Transmission Bearing Housing Gasket. .032" AFM – 1999–2006 Big Twin .032" thick AFM (Aluminum Foamet Material). OEM replacement reference 3...

Cometic Air Cleaner Housing to Filter Element Gasket. AFM – 1999–2001 FLT/Touring with… AFM. Used between the air filter backplate assembly and the...