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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REVOLUTION PERFORMANCE, LLC Gasket Kit - Twin Cam RP9902
REVOLUTION PERFORMANCE, LLC
$89.95Made in the U.S.A.09347156- SKU:
- 09347156
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
$89.95 -
REVOLUTION PERFORMANCE, LLC Gasket Kit - 113" - Twin Cam RP10085-030-HB
REVOLUTION PERFORMANCE, LLC
$89.95Made in the U.S.A.09347157- SKU:
- 09347157
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
$89.95 -
REVOLUTION PERFORMANCE, LLC Gasket Kit - 117" - Twin Cam RP9925-036-030
REVOLUTION PERFORMANCE, LLC
$89.95Made in the U.S.A.09347160- SKU:
- 09347160
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$89.95 -
REVOLUTION PERFORMANCE, LLC Gasket Kit RP9926
REVOLUTION PERFORMANCE, LLC
$89.95Made in the U.S.A.09347161- SKU:
- 09347161
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
$89.95 -
REVOLUTION PERFORMANCE, LLC Gasket Kit - M8 RP10193HB027014
REVOLUTION PERFORMANCE, LLC
$89.95Made in the U.S.A.09347162- SKU:
- 09347162
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
$89.95 -
REVOLUTION PERFORMANCE, LLC Gasket Kit - 85"/92" RP9791
REVOLUTION PERFORMANCE, LLC
$89.95Made in the U.S.A.09347163- SKU:
- 09347163
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- BORE SIZE:
- 3-9/16'
- BORE SIZE IMPERIAL:
- 3-9/16'
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$89.95 -
REVOLUTION PERFORMANCE, LLC Gasket Kit - 100"/109" RP9993-030
REVOLUTION PERFORMANCE, LLC
$89.95Made in the U.S.A.09347164- SKU:
- 09347164
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- BORE SIZE:
- 3-7/8'
- BORE SIZE IMPERIAL:
- 3-7/8'
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
$89.95 -
REVOLUTION PERFORMANCE, LLC Gasket Kit RP9791-040-020
REVOLUTION PERFORMANCE, LLC
$89.95Made in the U.S.A.09347165- SKU:
- 09347165
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$89.95 -
DRAG SPECIALTIES Exhaust Gasket 01-0151
DRAG SPECIALTIES
$82.35High-quality exhaust gaskets09342557- SKU:
- 09342557
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- CROSSOVER
- TYPE:
- EXHAUST PORT
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
$82.35 -
DRAG SPECIALTIES Exhaust Gasket 01-0149
DRAG SPECIALTIES
$106.04High-quality exhaust gaskets09342558- SKU:
- 09342558
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- EXHAUST INTERCONNECT
- PRODUCT NAME:
- GASKET
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
$106.04 -
DRAG SPECIALTIES Exhaust Gasket 01-0148
DRAG SPECIALTIES
$91.62High-quality exhaust gaskets09342559- SKU:
- 09342559
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- 10 PACK
- TYPE:
- EXHAUST INTERCONNECT
- RIDING STYLE:
- STREET
$91.62 -
DRAG SPECIALTIES Exhaust Gasket - FXD I01-0150
DRAG SPECIALTIES
$91.62High-quality exhaust gaskets09342560- SKU:
- 09342560
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
- TYPE:
- EXHAUST INTERCONNECT
$91.62 -
DRAG SPECIALTIES Rear Master Cylinder Gasket 17-0063A-HC3
DRAG SPECIALTIES
$46.30Replacement cover gasket for stock master cylinderDS174493- SKU:
- DS174493
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- MASTER CYLINDER COVER
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
$46.30 -
DRAG SPECIALTIES Exhaust Gasket 01-0127
DRAG SPECIALTIES
$88.53High-quality exhaust gaskets09342556- SKU:
- 09342556
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- EXHAUST PORT
- PRODUCT NAME:
- GASKET
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
$88.53 -
COMETIC S&S Rocker Box Gasket Kit C9155
COMETIC
$74.50Premium materials used for specific applications to provide a long, service free life, Kits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxes, Made in the U.S.A.09341212- SKU:
- 09341212
- Availability:
- Ships Same Business Day
- Weight:
- 0.49 LBS
- FEATURES:
- FOR S&S DIE-CAST ROCKER BOXES
- PRODUCT NAME:
- GASKET KIT
- MATERIAL:
- STEEL
- TYPE:
- ROCKER BOX
- MODEL:
- EST
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$74.50 -
COMETIC Head Gasket - 4.125" - S&S Super Sidewinder - .045" C9934
COMETIC
$61.90Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle. Made in the U.S.A.09340791- SKU:
- 09340791
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 4.125'
- MATERIAL:
- VITON
- PRODUCT NAME:
- GASKET
- THICKNESS IMPERIAL:
- 0,045'
- RIDING STYLE:
- STREET
- THICKNESS:
- 1,14 MM (0,045')
- TYPE:
- CYLINDER HEAD
- MATERIAL:
- LAYERED STEEL
- BORE SIZE:
- 4,125'
- THICKNESS METRIC:
- 1.14 MM
- UNITS:
- PAIR
$61.90 -
COMETIC Manifold/Head Gasket - S&S C9223
COMETIC
$14.80Viton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides., Made in the U.S.A.09341661- SKU:
- 09341661
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MATERIAL:
- VITON
- UNITS:
- 4 PACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- TYPE:
- INTAKE MANIFOLD
$14.80 -
JAMES GASKET Top End Gasket Kit - S&S 17040-92-SS
JAMES GASKET
$121.95Top-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.20112097- SKU:
- 20112097
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE IMPERIAL:
- 3.500'
- THICKNESS METRIC:
- 1.14 MM
- UNITS:
- KIT
- THICKNESS IMPERIAL:
- 0,045'
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
$121.95 -
JAMES GASKET Cylinder Base Gasket - S&S T124 JGI-16736-13
JAMES GASKET
$35.95JAMES GASKET Cylinder Base Gasket - S&S T12409345979- SKU:
- 09345979
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- TYPE:
- CYLINDER BASE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
$35.95 -
JAMES GASKET Rocker Cover Kit - S&S 17042-92-SS
JAMES GASKET
$52.95Made in the U.S.A.DS174501- SKU:
- DS174501
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER BOX
$52.95
