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
-
JAMES GASKET Cam Cover Gasket - XL 25263-90
JAMES GASKET
$29.10Replacement gaskets for cam chestsDS174383- SKU:
- DS174383
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- THICKNESS IMPERIAL:
- 0,031'
- TYPE:
- CAM COVER
- UNITS:
- 10 PACK
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 0.79 MM
- THICKNESS:
- 0,79 MM (0,031')
- PRODUCT NAME:
- GASKET
$29.10 -
JAMES GASKET Primary Cover Gasket - Silicon 60539-89-X
JAMES GASKET
$132.00Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.DS174382- SKU:
- DS174382
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- TYPE:
- PRIMARY COVER
- THICKNESS IMPERIAL:
- 0.062'
$132.00 -
JAMES GASKET Primary Inspection Cover Gasket - Big Twin 60567-36
JAMES GASKET
$13.90Latest additions to our line of high-quality genuine James gaskets, seals and O-rings, Cover seals are a seal, not a gasket, Cover seals are molded rubber, beaded oil seals with metal inserts and work with all inspection and derby covers; fit billet,...DS174380- SKU:
- DS174380
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- CORK
- PRODUCT NAME:
- GASKET
- UNITS:
- 10 PACK
- TYPE:
- INSPECTION COVER
$13.90 -
JAMES GASKET End Cover Gasket - 5 Speed 36801-87-A
JAMES GASKET
$14.30Made in the U.S.A.DS174372- SKU:
- DS174372
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH RELEASE
- PRODUCT NAME:
- GASKET
- UNITS:
- 10 PACK
$14.30 -
JAMES GASKET Front Tappet Block Gasket - Big Twin 18634-48-A/B
JAMES GASKET
$8.60Convenient 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.DS174370- SKU:
- DS174370
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- TYPE:
- TAPPET BLOCK
- PRODUCT NAME:
- GASKET
- MOUNTING POSITION:
- FRONT
- THICKNESS:
- 0,79 MM (0,031')
- THICKNESS IMPERIAL:
- 0,031'
- UNITS:
- 10 PACK
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 0.79 MM
$8.60 -
JAMES GASKET Cam Cover Gasket - XL 25263-86
JAMES GASKET
$29.10Replacement gaskets for cam chestsDS174367- SKU:
- DS174367
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- DISPLACEMENT:
- 1200 CC
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 0.79 MM
- THICKNESS:
- 0,79 MM (0,031')
- THICKNESS IMPERIAL:
- 0,031'
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
- TYPE:
- CAM COVER
- UNITS:
- 10 PACK
- DISPLACEMENT:
- 1100 CC
- DISPLACEMENT:
- 883 CC
$29.10 -
JAMES GASKET Foot Peg Stud Gasket - XL 34624-77
JAMES GASKET
$6.30Flexible paper gasket product line utilized the latest in gasket paper technology called MicroPore., These gaskets exhibit exceptional fluid resistance and sealability in a wide range of applications and flange conditions., With a reduced pore size, this...DS174365- SKU:
- DS174365
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- THICKNESS:
- 0,76 MM (0,030')
- THICKNESS IMPERIAL:
- 0,030'
- PRODUCT NAME:
- GASKET
- TYPE:
- SHIFTER STUD BOSS
- UNITS:
- 10 PACK
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 0.76 MM
$6.30 -
JAMES GASKET Rear Tappet Block Gasket - Big Twin 18633-48-A/C
JAMES GASKET
$8.60Convenient 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.DS174360- SKU:
- DS174360
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- TAPPET BLOCK
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 0.79 MM
- THICKNESS:
- 0,79 MM (0,031')
- MOUNTING POSITION:
- REAR
- THICKNESS IMPERIAL:
- 0,031'
- UNITS:
- 10 PACK
$8.60 -
JAMES GASKET Lower Rocker Cover - XL 17353-86-A
JAMES GASKET
$44.90Made 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...DS174359- SKU:
- DS174359
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER BOX
- UNITS:
- 5 PACK
- MOUNTING POSITION:
- LOWER
- PRODUCT NAME:
- GASKET
- MATERIAL:
- RUBBER
$44.90 -
JAMES GASKET Head Gasket - XL1100 16665-86
JAMES GASKET
$51.00Made in the U.S.A.DS174357- SKU:
- DS174357
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- MATERIAL:
- -
- PRODUCT NAME:
- GASKET
- UNITS:
- 5 PACK
- BORE SIZE:
- -
- BORE SIZE IMPERIAL:
- -
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,062'
- THICKNESS METRIC:
- 1.60 MM
- TYPE:
- CYLINDER HEAD
$51.00 -
JAMES GASKET Muffler Junction Gasket - Big Twin 65721-85
JAMES GASKET
$14.60Made in the U.S.A.DS174354- SKU:
- DS174354
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- MATERIAL:
- COPPER
- PRODUCT NAME:
- GASKET
- TYPE:
- MUFFLER CLAMP
$14.60 -
JAMES GASKET Primary Cover Gasket - Silicon 60538-81-C
JAMES GASKET
$91.60Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.DS174352- SKU:
- DS174352
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
- TYPE:
- COVER
- STYLE:
- PRIMARY
- THICKNESS METRIC:
- 1.60 MM
- UNITS:
- 5 PACK
- FEATURES:
- BEADED
- MATERIAL:
- SILICONE
- THICKNESS IMPERIAL:
- 0,062'
$91.60 -
JAMES GASKET Primary Inspection Gasket 34906-85
JAMES GASKET
$25.40Latest additions to our line of high-quality genuine James gaskets, seals and O-rings, Cover seals are a seal, not a gasket, Cover seals are molded rubber, beaded oil seals with metal inserts and work with all inspection and derby covers; fit billet,...DS174350- SKU:
- DS174350
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- TYPE:
- INSPECTION COVER
- FEATURES:
- BEADED
- RIDING STYLE:
- STREET
- STYLE:
- PRIMARY
- THICKNESS IMPERIAL:
- 0,062'
- THICKNESS METRIC:
- 1.60 MM
- MATERIAL:
- SILICONE
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
- THICKNESS:
- 1,60 MM (0,062')
- UNITS:
- 5 PACK
$25.40 -
JAMES GASKET Primary Transmission Small Gasket 34903-79
JAMES GASKET
$17.60Flexible paper gasket product line utilized the latest in gasket paper technology called MicroPore., These gaskets exhibit exceptional fluid resistance and sealability in a wide range of applications and flange conditions., With a reduced pore size, this...DS174349- SKU:
- DS174349
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- THICKNESS IMPERIAL:
- 0,030'
- THICKNESS METRIC:
- 0.80 MM
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- THICKNESS:
- 0,80 MM (0,030')
- TYPE:
- PRIMARY
- TYPE:
- TRANSMISSION
- STYLE:
- SMALL
- MATERIAL:
- PAPER
- MOUNTING POSITION:
- INNER
- PRODUCT NAME:
- GASKET
$17.60Qty in Cart: 0Quantity:Price:$17.60Subtotal: -
JAMES GASKET Primary Transmission Large Gasket 34902-79-A
JAMES GASKET
$40.90Flexible paper gasket product line utilized the latest in gasket paper technology called MicroPore., These gaskets exhibit exceptional fluid resistance and sealability in a wide range of applications and flange conditions., With a reduced pore size, this...DS174348- SKU:
- DS174348
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- THICKNESS METRIC:
- 0.80 MM
- PRODUCT NAME:
- GASKET
- STYLE:
- LARGE
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- THICKNESS:
- 0,80 MM (0,030')
- THICKNESS IMPERIAL:
- 0,030'
- TYPE:
- PRIMARY
- TYPE:
- TRANSMISSION
- MATERIAL:
- PAPER
$40.90 -
JAMES GASKET Cam Cover Gasket - XL 25263-00-X
JAMES GASKET
$37.30Replacement gaskets for cam chestsDS174347- SKU:
- DS174347
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- SILICONE
- PRODUCT NAME:
- GASKET
- TYPE:
- CAM COVER
- FEATURES:
- BEADED
- UNITS:
- 5 PACK
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
$37.30 -
JAMES GASKET Primary Cover Gasket 60540-36
JAMES GASKET
$54.40Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.DS174344- SKU:
- DS174344
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- MATERIAL:
- CORK
- PRODUCT NAME:
- GASKET
- TYPE:
- PRIMARY COVER
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
$54.40 -
JAMES GASKET Starter Gasket - XL 31488-81
JAMES GASKET
$8.70Made in the U.S.A.DS174338- SKU:
- DS174338
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- GASKET
- THICKNESS:
- 0,76 MM (0,030')
- THICKNESS METRIC:
- 0.76 MM
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,030'
- TYPE:
- STARTER HOUSING
- UNITS:
- 10 PACK
$8.70 -
JAMES GASKET Compliance Fitting Gasket 29242-83
JAMES GASKET
$8.20Made in the U.S.A.DS174336- SKU:
- DS174336
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
$8.20 -
JAMES GASKET Carb Air Cleaner Gasket 29059-88
JAMES GASKET
$7.70Made in the U.S.A.DS174335- SKU:
- DS174335
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- THICKNESS:
- 0,80 MM (0,030')
- THICKNESS IMPERIAL:
- 0,030'
- THICKNESS METRIC:
- 0.80 MM
- MOUNTING POSITION:
- AIR CLEANER TO CARBURETOR
- PRODUCT NAME:
- GASKET
- UNITS:
- 10 PACK
- STYLE:
- AIR CLEANER
- TYPE:
- CARBURETOR
$7.70
