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
-
COMETIC Head Gasket - .04"- Evo - 3.5" C9689
COMETIC
$61.90Center 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 harsh sealing environments, load...DS172087- SKU:
- DS172087
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- BORE SIZE IMPERIAL:
- 3.500'
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 1.02 MM
- UNITS:
- PAIR
- BORE SIZE:
- 3,500'
- PRODUCT NAME:
- GASKET
- THICKNESS:
- 1,02 MM (0,040')
- TYPE:
- CYLINDER HEAD
- MATERIAL:
- LAYERED STEEL
- THICKNESS IMPERIAL:
- 0,040'
$61.90 -
JAMES GASKET Complete Motor Gasket Kit - XL 17026-73
JAMES GASKET
$125.95To-quality gaskets, oil seals, and o-rings necessary to rebuild an engine, Made in the U.S.A.DS181179- SKU:
- DS181179
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- THICKNESS IMPERIAL:
- 0,032'
- THICKNESS METRIC:
- 0.81 MM
- TYPE:
- COMPLETE
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$125.95 -
JAMES GASKET Complete Motor Gasket Kit - XL 17026-86
JAMES GASKET
$167.95To-quality gaskets, oil seals, and o-rings necessary to rebuild an engine, Made in the U.S.A.DS181178- SKU:
- DS181178
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
- TYPE:
- COMPLETE
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- KIT
$167.95 -
JAMES GASKET Induction Module Gasket Kit - FL 27202-95-K
JAMES GASKET
$24.95Kit contains fuel fitting O-rings, Made in the U.S.A.DS174988- SKU:
- DS174988
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- FUEL INJECTOR
- UNITS:
- KIT
$24.95 -
JAMES GASKET Big Bore Base Steel - Big Twin 16777-66-X
JAMES GASKET
$44.95Require no gasket sealer, Made in the U.S.A.DS174983- SKU:
- DS174983
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- GASKET
- BORE SIZE IMPERIAL:
- 3.625'
- FEATURES:
- BEADED
- THICKNESS METRIC:
- 0.81 MM
- TYPE:
- CYLINDER BASE
- THICKNESS IMPERIAL:
- 0,032'
- RIDING STYLE:
- STREET
- UNITS:
- SET
$44.95 -
JAMES GASKET Big Bore Top End Gasket Kit - 3-5/8" 17034-78-S
JAMES GASKET
$88.95Top-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.DS174982- SKU:
- DS174982
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- BORE SIZE IMPERIAL:
- 3.625'
- TYPE:
- TOP END
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
$88.95 -
JAMES GASKET Metal Base Gasket - 3-5/8" - Big Twin 16777-66-SX
JAMES GASKET
$44.95Require no gasket sealer, Made in the U.S.A.DS174980- SKU:
- DS174980
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FEATURES:
- BEADED
- MATERIAL:
- STEEL
- PRODUCT NAME:
- GASKET
- TYPE:
- CYLINDER BASE
- UNITS:
- PAIR
- BORE SIZE IMPERIAL:
- 3.625'
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,020'
- THICKNESS METRIC:
- 0.51 MM
$44.95 -
JAMES GASKET Top End Gasket Kit - E EL 17034-38
JAMES GASKET
$59.95Top-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.DS174975- SKU:
- DS174975
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
- UNITS:
- KIT
$59.95 -
JAMES GASKET Top End Gasket Kit - FL/FLH 17034-66-X
JAMES GASKET
$113.95Top-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.DS174973- SKU:
- DS174973
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
- UNITS:
- KIT
$113.95 -
JAMES GASKET Top End Gasket Kit - 3-5/8" - EVO/Big Twin 17033-83-S
JAMES GASKET
$107.95Top-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.DS174972- SKU:
- DS174972
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 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
$107.95 -
JAMES GASKET Complete Gasket Set - E-EL 17028-36
JAMES GASKET
$90.95Contain gaskets, oil seals and O-rings necessary to completely rebuild a Panhead engine, Made in the U.S.A.DS174965- SKU:
- DS174965
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- TYPE:
- COMPLETE
- TYPE:
- MOTOR
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$90.95 -
JAMES GASKET Primary Gasket - .62" 34952-52-A
JAMES GASKET
$65.80Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.DS174963- SKU:
- DS174963
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- STYLE:
- PRIMARY
- THICKNESS METRIC:
- 1.60 MM
- RIDING STYLE:
- STREET
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
- THICKNESS IMPERIAL:
- 0.062'
- TYPE:
- COVER
- UNITS:
- 10 PACK
$65.80 -
JAMES GASKET Primary Cover Gasket - .030" 34955-67-A
JAMES GASKET
$49.50Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.DS174962- SKU:
- DS174962
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
- TYPE:
- COVER
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,030'
- UNITS:
- 10 PACK
- THICKNESS METRIC:
- 0.80 MM
- STYLE:
- PRIMARY
$49.50 -
JAMES GASKET Primary Gasket - .030" 34955-75-X
JAMES GASKET
$66.90Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.DS174961- SKU:
- DS174961
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- SILICONE
- THICKNESS METRIC:
- 0.80 MM
- TYPE:
- COVER
- FEATURES:
- BEADED
- RIDING STYLE:
- STREET
- STYLE:
- PRIMARY
- THICKNESS IMPERIAL:
- 0,030'
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
- UNITS:
- 5 PACK
$66.90 -
JAMES GASKET Primary Gasket - .30" 34955-89-X
JAMES GASKET
$66.20Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.DS174960- SKU:
- DS174960
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- FEATURES:
- BEADED
- STYLE:
- PRIMARY
- THICKNESS IMPERIAL:
- 0,030'
- UNITS:
- 5 PACK
- THICKNESS METRIC:
- 0.80 MM
- TYPE:
- COVER
- MATERIAL:
- SILICONE
- PRODUCT NAME:
- GASKET
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
$66.20 -
JAMES GASKET Primary Gasket with Silicon - 5 Speed 34901-79-B
JAMES GASKET
$110.70Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.DS174959- SKU:
- DS174959
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- TYPE:
- COVER
- FEATURES:
- BEADED
- MATERIAL:
- SILICONE
- PRODUCT NAME:
- GASKET
- STYLE:
- PRIMARY
- THICKNESS IMPERIAL:
- 0,062'
- THICKNESS METRIC:
- 1.60 MM
- UNITS:
- 5 PACK
$110.70 -
JAMES GASKET Primary Cover Gasket - .030" 34901-79
JAMES GASKET
$77.40Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.DS174958- SKU:
- DS174958
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- THICKNESS METRIC:
- 0.80 MM
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,030'
- UNITS:
- 10 PACK
- MATERIAL:
- PAPER
- TYPE:
- COVER
- PRODUCT NAME:
- GASKET
- STYLE:
- PRIMARY
$77.40 -
JAMES GASKET Primary Gasket Kit 34955-75-K
JAMES GASKET
$33.95Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.DS174956- SKU:
- DS174956
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- FEATURES:
- BEADED
- MATERIAL:
- SILICONE
- TYPE:
- PRIMARY COVER
- UNITS:
- KIT
$33.95 -
JAMES GASKET Primary Gasket Kit 34955-89-K
JAMES GASKET
$33.95Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.DS174955- SKU:
- DS174955
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- FEATURES:
- BEADED
- THICKNESS IMPERIAL:
- 0,062'
- THICKNESS METRIC:
- 1.60 MM
- PRODUCT NAME:
- GASKET KIT
- MATERIAL:
- SILICONE
- TYPE:
- PRIMARY COVER
- UNITS:
- KIT
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
$33.95 -
JAMES GASKET Primary Gasket Kit 34901-79-K
JAMES GASKET
$67.95Top quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.DS174954- SKU:
- DS174954
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- SILICONE
- TYPE:
- PRIMARY COVER
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- FEATURES:
- BEADED
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,062'
- THICKNESS METRIC:
- 1.60 MM
- MATERIAL:
- PAPER
$67.95
