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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JAMES GASKET Rocker Box Rubber Gasket - Big Twin 17042-92
JAMES GASKET
$67.95Made in the U.S.A.DS173316- SKU:
- DS173316
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- ROCKER BOX
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
$67.95 -
JAMES GASKET Rocker Box Rubber Gasket - Big Twin 17038-90
JAMES GASKET
$49.95Made in the U.S.A.DS173315- SKU:
- DS173315
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER BOX
$49.95 -
JAMES GASKET Big Bore Top End Gasket Kit - 80" 17033-92
JAMES GASKET
$128.95Top-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.DS173275- SKU:
- DS173275
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,045'
- PRODUCT NAME:
- GASKET KIT
- BORE SIZE IMPERIAL:
- 3.625'
- THICKNESS METRIC:
- 1.14 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$128.95 -
JAMES GASKET Top End Gasket Kit - Big Twin 17033-83-A
JAMES GASKET
$96.95Top-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.DS173251- SKU:
- DS173251
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- TYPE:
- TOP END
- BORE SIZE IMPERIAL:
- 3.500'
- PRODUCT NAME:
- GASKET KIT
- THICKNESS IMPERIAL:
- 0,045'
- THICKNESS METRIC:
- 1.14 MM
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$96.95 -
JAMES GASKET Top End Gasket Kit - 80" 17040-92
JAMES GASKET
$121.95Top-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.DS173250- SKU:
- DS173250
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE IMPERIAL:
- 3.500'
- THICKNESS IMPERIAL:
- 0,045'
- THICKNESS METRIC:
- 1.14 MM
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
$121.95 -
JAMES GASKET Breather Cover Filter - Twin Cam 63815-99
JAMES GASKET
$15.50Breather filters for rocker box coversDS173248- SKU:
- DS173248
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- FIBER
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FILTER
- TYPE:
- BREATHER
$15.50 -
JAMES GASKET Motor Gasket Kit with Metal - Big Twin 17035-83-B
JAMES GASKET
$132.95Contain gaskets, oil seals and O-rings necessary to completely rebuild a Panhead engine, Made in the U.S.A.DS173245- SKU:
- DS173245
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE SIZE IMPERIAL:
- 3.500'
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- COMPLETE
- TYPE:
- MOTOR
- RIDING STYLE:
- STREET
$132.95 -
JAMES GASKET Top End Gasket Kit - XL 17032-86-B
JAMES GASKET
$113.95Top-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.DS173244- SKU:
- DS173244
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
$113.95 -
JAMES GASKET Trans Gasket Kit - 5 Speed 33031-85
JAMES GASKET
$59.95Made in the U.S.A.DS173243- SKU:
- DS173243
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- STYLE:
- 5-SPEED
$59.95 -
JAMES GASKET Top End Gasket Kit - FX/FL 17034-66
JAMES GASKET
$78.95Top-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.DS173242- SKU:
- DS173242
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
$78.95 -
JAMES GASKET Top End Gasket Kit - XL 17032-91
JAMES GASKET
$136.95Top-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.DS173241- SKU:
- DS173241
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- PRODUCT NAME:
- GASKET KIT
- BORE SIZE IMPERIAL:
- 3.500'
- TYPE:
- TOP END
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$136.95 -
JAMES GASKET Top End Gasket Kit - XL 17030-72-A
JAMES GASKET
$46.95Top-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.DS173240- SKU:
- DS173240
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- UNITS:
- KIT
- TYPE:
- TOP END
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
$46.95 -
JAMES GASKET Complete Motor Gasket Kit - FX/FL 17029-70
JAMES GASKET
$128.95To-quality gaskets, oil seals, and o-rings necessary to rebuild an engine, Made in the U.S.A.DS173239- SKU:
- DS173239
- Availability:
- Ships Same Business Day
- Weight:
- 1.63 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- COMPLETE
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$128.95 -
JAMES GASKET Trans Gasket/Seal Kit - Twin Cam 33031-99
JAMES GASKET
$52.95Made in the U.S.A.DS173238- SKU:
- DS173238
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
$52.95 -
JAMES GASKET Air Cleaner Back Plate Gasket 29062-95-B
JAMES GASKET
$17.20Made in the U.S.A.DS173235- SKU:
- DS173235
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- STYLE:
- CARBURETOR
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
- TYPE:
- BACKPLATE
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
$17.20 -
JAMES GASKET Cam Gear - Quick Change - Twin Cam 25244-99-K
JAMES GASKET
$56.95Kits include all necessary gaskets, seals, O-rings and cork washers for doing a cam changeDS173229- SKU:
- DS173229
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- RIDING STYLE:
- STREET
- TYPE:
- CAM CHANGE
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- KIT
$56.95 -
JAMES GASKET Cam Cover Gasket - Twin Cam 25244-99
JAMES GASKET
$34.10Replacement gaskets for cam chestsDS173228- SKU:
- DS173228
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- UNITS:
- 5 PACK
- MATERIAL:
- PAPER
- TYPE:
- CAM COVER
- RIDING STYLE:
- STREET
- FEATURES:
- BEADED
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- GASKET
$34.10 -
JAMES GASKET Rocker Cover Gasket - Twin Cam 17386-99
JAMES GASKET
$29.95Made 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...DS173223- SKU:
- DS173223
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MATERIAL:
- STEEL
- TYPE:
- ROCKER BOX
- UNITS:
- PAIR
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- UPPER
$29.95 -
JAMES GASKET Motor Gasket Kit - Twin Cam 88" 17053-99
JAMES GASKET
$138.95Contain gaskets, oil seals and O-rings necessary to completely rebuild a Panhead engine, Made in the U.S.A.DS173222- SKU:
- DS173222
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- GASKET KIT
- THICKNESS METRIC:
- 1.17 MM
- BORE SIZE IMPERIAL:
- 3.750'
- TYPE:
- MOTOR
- UNITS:
- KIT
- THICKNESS IMPERIAL:
- 0,046'
- TYPE:
- COMPLETE
- RIDING STYLE:
- STREET
$138.95 -
JAMES GASKET Top End Gasket Kit - Twin Cam 17052-99
JAMES GASKET
$125.95Top-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.DS173221- SKU:
- DS173221
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- BORE SIZE IMPERIAL:
- 3.750'
- THICKNESS METRIC:
- 1.14 MM
- TYPE:
- TOP END
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- THICKNESS IMPERIAL:
- 0,045'
$125.95
