Harley Engine Gaskets and Kits
Harley Bike Gaskets & Kits at JJ Motorsports
Rebuild your Harley with premium gasket kits and seals from JJ Motorsports, featuring complete top-end, motor, and cam-install kits for leak-free performance on Milwaukee-Eight, Twin Cam, Evo, and Big Twin engines. These high-quality MLS, rubber, and metal gaskets ensure perfect sealing and long-term reliability.
Shop Feuling, Cometic, and James Gasket for proven sealing solutions. Explore related categories such as Harley engine for cams and lifters, or Harley for oil pumps and heads to complete your rebuild.
Top Harley Gaskets & Kits
- Feuling Top-End Cam Install Kit M8 2030 – Complete top-end gasket kit for Milwaukee-Eight; includes head, base, rocker, and pushrod seals.
- Cometic Complete Gasket Kit C9748F – Full engine gasket set with MLS head gaskets; fits Twin Cam 88/96/103 engines.
- James Gasket Motor Gasket Metal Base Rocker 17041-92-A – Metal rocker box base gasket set; OEM-style for Evo and Twin Cam rocker boxes.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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COMETIC Engine Gasket Kit - Iron XL C9049F
COMETIC
$154.30Every gasket in these kits uses the best materials possible for its intended application, Multi-Layer Steel (MLS) head gaskets, Steel Viton®-coated base gaskets, Blue Viton valve stem seals, Aluminum Foam Material (AFM) race-style exhaust gaskets,...09344799- SKU:
- 09344799
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- BORE SIZE:
- 3,1875'
- PRODUCT NAME:
- GASKET KIT
- BORE SIZE IMPERIAL:
- 3.1875'
- MATERIAL:
- STEEL
- MATERIAL:
- VITON
- TYPE:
- COMPLETE
- UNITS:
- KIT
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- RIDING STYLE:
- STREET
$154.30 -
FEULING OIL PUMP CORP. Sandwich Adapter Kit 2023
FEULING OIL PUMP CORP.
$25.95Sandwich-style mounts allow easy hook-up of any style remote oil cooler or additional oil filter set up, 1/8" NPT ports, Designed with pressure relief valve rather than standard thermostat; pressure relief valve allows constant oil flow through remote...09344746- SKU:
- 09344746
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- TYPE:
- OIL FILTER
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$25.95 -
COMETIC Case Saver Gasket C10125
COMETIC
$52.45Cometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outside, Gaskets have resistance to temperatures of more than 2500°F, Have an 85%...09344745- SKU:
- 09344745
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- MOUNTING POSITION:
- INNER
- UNITS:
- 5 PACK
- PRODUCT NAME:
- GASKET
- THICKNESS:
- 0,81 MM (0,032')
- THICKNESS METRIC:
- 0.81 MM
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,032'
- TYPE:
- PRIMARY
$52.45 -
COMETIC Complete Gasket Kit - Big Twin C10123-030
COMETIC
$287.65Every gasket in these kits uses the best materials possible for its intended application, Multi-Layer Steel (MLS) head gaskets, Steel Viton®-coated base gaskets, Blue Viton valve stem seals, Aluminum Foam Material (AFM) race-style exhaust gaskets,...09344744- SKU:
- 09344744
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- MATERIAL:
- STEEL
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- KIT
- THICKNESS IMPERIAL:
- 0,030'
- THICKNESS METRIC:
- 0.76 MM
- BORE SIZE:
- 3,937'
- BORE SIZE IMPERIAL:
- 3.937'
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
$287.65 -
COMETIC Cam Cover Gasket - XL C9332F-1
COMETIC
$15.70COMETIC Cam Cover Gasket - XL09344682- SKU:
- 09344682
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- CAM COVER
- UNITS:
- EACH
- THICKNESS:
- 1,52 MM (0,060')
- THICKNESS METRIC:
- 1.52 MM
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0.060'
$15.70 -
COMETIC Magneto Cover Gasket C9327-5
COMETIC
$5.20Made in the U.S.A.09344681- SKU:
- 09344681
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- TYPE:
- MAG COVER
- UNITS:
- 5 PACK
- MATERIAL:
- FIBER
- TYPE:
- IGNITION COVER
$5.20 -
COMETIC Starter Housing Gasket C9324
COMETIC
$22.10Made in the U.S.A.09344679- SKU:
- 09344679
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- THICKNESS IMPERIAL:
- 0,031'
- UNITS:
- 10 PACK
- THICKNESS METRIC:
- 0.79 MM
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- THICKNESS:
- 0,79 MM (0,031')
- MATERIAL:
- FIBER
- TYPE:
- STARTER HOUSING
$22.10 -
COMETIC Generator Mount Gasket C9321
COMETIC
$4.20Made in the U.S.A.09344675- SKU:
- 09344675
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- FIBER
- THICKNESS IMPERIAL:
- 0,020'
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- THICKNESS:
- 0,51 MM (0,020')
- TYPE:
- GENERATOR
- THICKNESS METRIC:
- 0.51 MM
- UNITS:
- 5 PACK
$4.20 -
COMETIC Primary Gasket C9318F5
COMETIC
$93.10Cometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outside, Gaskets have resistance to temperatures of more than 2500°F, Have an 85%...09344673- SKU:
- 09344673
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
- TYPE:
- PRIMARY
- UNITS:
- 5 PACK
$93.10 -
COMETIC Primary Gasket C9318F1
COMETIC
$31.45Cometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outside, Gaskets have resistance to temperatures of more than 2500°F, Have an 85%...09344672- SKU:
- 09344672
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 1.52 MM
- THICKNESS:
- 1,52 MM (0,060')
- TYPE:
- PRIMARY COVER
- UNITS:
- EACH
- THICKNESS IMPERIAL:
- 0.060'
$31.45 -
COMETIC Primary Gasket C9317F5
COMETIC
$74.30Cometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outside, Gaskets have resistance to temperatures of more than 2500°F, Have an 85%...09344671- SKU:
- 09344671
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0.060'
- UNITS:
- 5 PACK
- MOUNTING POSITION:
- OUTER
- THICKNESS:
- 1,52 MM (0,060')
- THICKNESS METRIC:
- 1.52 MM
- TYPE:
- PRIMARY
$74.30 -
COMETIC Primary Gasket C9317F1
COMETIC
$25.15Cometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outside, Gaskets have resistance to temperatures of more than 2500°F, Have an 85%...09344670- SKU:
- 09344670
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0.060'
- TYPE:
- PRIMARY
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- THICKNESS METRIC:
- 1.52 MM
- UNITS:
- EACH
- THICKNESS:
- 1,52 MM (0,060')
$25.15 -
JAMES GASKET Transmission Pan Gasket - FXD 26072-90-F
JAMES GASKET
$29.95Made in the U.S.A.09344638- SKU:
- 09344638
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- RIDING STYLE:
- STREET
- TYPE:
- OIL PAN
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
- MATERIAL:
- FOAMET
$29.95 -
JAMES GASKET Primary Cover Gasket 34955-67-F5
JAMES GASKET
$156.00Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.09342114- SKU:
- 09342114
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- FEATURES:
- BEADED
- MATERIAL:
- FOAMET
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- STYLE:
- PRIMARY
- UNITS:
- 5 PACK
- TYPE:
- COVER
$156.00 -
JAMES GASKET Primary Cover Gasket 34955-67-F
JAMES GASKET
$45.95Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.09342113- SKU:
- 09342113
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- FEATURES:
- BEADED
- UNITS:
- EACH
- TYPE:
- COVER
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- MATERIAL:
- FOAMET
- STYLE:
- PRIMARY
$45.95 -
JAMES GASKET Tappet Cover Gasket - Twin Cam 18635-99-F
JAMES GASKET
$14.95Convenient and efficient way to sell the correct amount of seals or O-rings for a rebuild or cam change, James complete kits are neatly packaged for easy display, Made in the U.S.A.09342108- SKU:
- 09342108
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- FOAMET
- MOUNTING POSITION:
- FRONT
- MOUNTING POSITION:
- REAR
- UNITS:
- SET
- TYPE:
- TAPPET COVER
- FEATURES:
- BEADED
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
$14.95 -
JAMES GASKET Rocker Cover Gasket - XL 17695-07
JAMES GASKET
$17.26Made from a solid steel sheet coated on two sides with a high-temperature elastomer. Strategically placed elastomer beading helps ensure a positive seal while our clear silicone conformal coating fills in minor imperfections in the flanges and provides...09342099- SKU:
- 09342099
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- TYPE:
- ROCKER BOX
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- MOUNTING POSITION:
- INNER
$17.26 -
JAMES GASKET Outer Rocker Cover Gasket - XL 17362-07
JAMES GASKET
$37.20Made from a solid steel sheet coated on two sides with a high-temperature elastomer. Strategically placed elastomer beading helps ensure a positive seal while our clear silicone conformal coating fills in minor imperfections in the flanges and provides...09342098- SKU:
- 09342098
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- MOUNTING POSITION:
- OUTER
- TYPE:
- ROCKER BOX
$37.20 -
JAMES GASKET Rocker Cover Gasket - XL 17030-07-X
JAMES GASKET
$91.95Made in the U.S.A.09342097- SKU:
- 09342097
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- ROCKER BOX
- PRODUCT NAME:
- GASKET KIT
$91.95 -
JAMES GASKET Motor Gasket Kit - XL 17047-07-X
JAMES GASKET
$218.95To-quality gaskets, oil seals, and o-rings necessary to rebuild an engine, Made in the U.S.A.09342096- SKU:
- 09342096
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- COMPLETE
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$218.95
