
James Gaskets
James Gaskets is a trusted name in high-quality motorcycle engine gaskets engineered for precise sealing and long-term reliability. Known for premium materials and exact fitment, the brand supports Harley-Davidson and V-Twin applications across restoration and performance builds. Riders and builders rely on James Gaskets engine kits for consistent sealing under heat and pressure. From top-end service to complete rebuilds, James Gaskets delivers dependable aftermarket motorcycle gasket solutions.
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James Gaskets - JGI-60540-36-K - Primary Cover Gasket Kit - Cork - Fits 1936-1964 Big Twin
James Gaskets
$42.95James Gaskets Primary Cover Gasket Kit - Cork for 1936-1964 Big Twin Fits: 1936-1964 Big Twin, Knucklehead and Panhead (FL/FLH/E/EL). Full year/model list is on the Fitment tab. Cork primary cover...$42.95 -
James Gaskets - JGI-16777-66-SX - Metal Base Gaskets - Big Bore 3.625" - 0.020" (Pair) - Fits 1966-1984 Shovelhead
James Gaskets
$44.95James Gaskets Metal Base Gaskets - Big Bore 3.625" - 0.020" for 1966-1984 Shovelhead Fits: 1966-1984 Shovelhead with 3.625" big bore cylinders. Full year/model list is on the Fitment tab. Thin 0.020"...$44.95 -
James Gaskets - JGI-16777-66-X - Metal Base Gaskets - Big Bore 3.625" - 0.032" (Pair) - Fits 1966-1984 Shovelhead
James Gaskets
$44.95James Gaskets Metal Base Gaskets - Big Bore 3.625" - 0.032" for 1966-1984 Shovelhead Fits: 1966-1984 Shovelhead with 3.625" big bore cylinders. Full year/model list is on the Fitment tab. Steel base...$44.95 -
James Gaskets - JGI-27002-89 - Carburetor to Intake Manifold Seal - Fits 1988-2006 Sportster & 1990-2006 Big Twin
James Gaskets
$11.95James Gaskets Carburetor to Intake Manifold Seal for 1988-2006 Sportster & 1990-2006 Big Twin Fits: 1988-2006 XL/Buell and 1990-2006 Big Twin with the Keihin CV carb. Full year/model list is on the...$11.95 -
James Gaskets - JGI-16770-48-X - Head Gasket with Fire Ring - Fits '48-'65 Panhead Models - Pair
James Gaskets
$48.95James Gaskets - JGI-16770-48-X - Head Gasket with Fire Ring - Fits '48-'65 Panhead Models - Pair Fits: '48-'65 Panhead Models. Full year/model list is on the Fitment tab. Head Gasket with Fire Ring...$48.95 -
James Gaskets - JGI-16770-86-S - Big Bore Head & Base Gasket Kit - 3.625" Bore - Fits 1984-1999 Evo Big Twin
James Gaskets
$49.95James Gaskets Big Bore Head & Base Gasket Kit - 3.625" Bore for 1984-1999 Evo Big Twin Fits: 1984-1999 Evolution Big Twin with 3.625" big bore cylinders. Full year/model list is on the Fitment tab...$49.95 -
James Gaskets - JGI-37741-82DL - Main Drive Gear Seal - Double Lip, Rubber OD - 4-Speed - Fits 1982-1986 Big Twin
James Gaskets
$13.95James Gaskets Main Drive Gear Seal - Double Lip, Rubber OD - 4-Speed for 1982-1986 Big Twin Fits: 1982-1986 Big Twin 4-speed mainshaft (double lip, rubber OD). Full year/model list is on the Fitment...$13.95 -
James Gaskets - JGI-12044-A - Mainshaft Seal - Clutch Side - Rubber OD, Double Lip - Fits 1980-Early 1984 Big Twin 5-Speed
James Gaskets
$14.95James Gaskets Mainshaft Seal - Clutch Side - Rubber OD, Double Lip for 1980-Early 1984 Big Twin 5-Speed Fits: 1980-early 1984 Big Twin 5-speed mainshaft (clutch side). Full year/model list is on the...$14.95 -
James Gaskets - JGI-17041-92-A - Motor Gasket with Metal Base and Rocker Gaskets - Fits '92-'99 80” Evolution Model
James Gaskets
$121.95James Gaskets - JGI-17041-92-A - Motor Gasket with Metal Base and Rocker Gaskets - Fits '92-'99 80” Evolution Model Fits: '92-'99 80” Evolution Model. Full year/model list is on the Fitment tab...$121.95 -
James Gaskets - JGI-17540-99-X - Silicone Rocker Cover Metal Gasket - Fits '66-'84 Shovelhead Model (.020”) - Pair
James Gaskets
$50.95James Gaskets - JGI-17540-99-X - Silicone Rocker Cover Metal Gasket - Fits '66-'84 Shovelhead Model (.020”) - Pair Fits: '66-'84 Shovelhead Model (.020”). Full year/model list is on the Fitment tab...$50.95 -
James Gasket - Main Drive Gear Seal fits '37-'79 Big Twin 4-Speed Models (OEM #35230-39)
James Gaskets
$9.95James Gasket - Main Drive Gear Seal fits '37-'79 Big Twin 4-Speed Models (OEM #35230-39) Features: Top quality main drive gear shaft seals Fitment$9.95 -
James Gaskets - JGI-45400-75 - Fork Seal - Fits 'L75-'E84 FX/FXR Sportster Models
James Gaskets
$15.70James Gaskets - JGI-45400-75 - Fork Seal - Fits 'L75-'E84 FX/FXR Sportster Models Fits: 'L75-'E84 FX/FXR Sportster Models. Full year/model list is on the Fitment tab. Fork Seal from James Gaskets,...$15.70 -
James Gaskets - JGI-65781-82 - Crossover Exhaust Gasket - Fits '86-'03 Sportster Models - Pair
James Gaskets
$12.95James Gaskets - JGI-65781-82 - Crossover Exhaust Gasket - Fits '86-'03 Sportster Models - Pair Fits: '86-'03 Sportster Models. Full year/model list is on the Fitment tab. Crossover Exhaust Gasket...$12.95 -
James Gaskets - JGI-17955-36-D - Push Rod Cover Cork Gasket - Fits '48-'E79 Big Twin Models - 10 Pack
James Gaskets
$7.95James Gaskets - JGI-17955-36-D - Push Rod Cover Cork Gasket - Fits '48-'E79 Big Twin Models - 10 Pack Fits: '48-'E79 Big Twin Models. Full year/model list is on the Fitment tab. Push Rod Cover Cork...$7.95 -
James Gaskets - JGI-16779-99-X - 1 Piece Lower Rocker Housing Gasket - Fits '86-'22 Sportster Models (Except RH Sportster - Pair
James Gaskets
$37.95James Gaskets - JGI-16779-99-X - 1 Piece Lower Rocker Housing Gasket - Fits '86-'22 Sportster Models (Except RH Sportster - Pair Fits: '86-'22 Sportster Models (Except RH Sportster. Full year/model...$37.95 -
James Gaskets - JGI-16777-94-S - 3.625" Big Bore Metal Base Gasket - Fits '84-'99 Evolution Big Twin Models - Pair
James Gaskets
$44.95James Gaskets - JGI-16777-94-S - 3.625" Big Bore Metal Base Gasket - Fits '84-'99 Evolution Big Twin Models - Pair Fits: '84-'99 Evolution Big Twin Models. Full year/model list is on the Fitment tab...$44.95 -
James Gaskets - JGI-60567-90-DL - Primary Inspection Cover Seal - Molded Rubber with Metal Insert - Fits 1965-1999 Big Twin, 1999-2006 Dyna & Softail
James Gaskets
$9.95James Gaskets Primary Inspection Cover Seal - Molded Rubber with Metal Insert for 1965-1999 Big Twin, 1999-2006 Dyna & Softail Fits: 1965-1999 Big Twin inspection cover, 2000-2006 Softail and...$9.95 -
James Gasket - 5th Gear Clutch Side Mainshaft Seal fits '80-'E84 Big Twin 5-Speed Models (OEM #12044, 12044A)
James Gaskets
$14.95James Gasket - 5th Gear Clutch Side Mainshaft Seal fits '80-'E84 Big Twin 5-Speed Models (OEM #12044, 12044A) Features: Made in the U.S.A. Fitment$14.95 -
James Gasket - 35 mm Fork Seals fits 'L86-'87 Sportster Models (OEM #45387-83)
James Gaskets
$14.95James Gasket - 35 mm Fork Seals fits 'L86-'87 Sportster Models (OEM #45387-83) Features: High-quality replacement components Available in dealer packs of ten (sold each) or in packs of two (sold...$14.95 -
James Gasket - 39 mm Fork Seals fits '99-'05 Dyna, 'L87-'22 Sportster Models (Except RH Sportster (OEM #45378-87))
James Gaskets
$12.95James Gasket - 39 mm Fork Seals fits '99-'05 Dyna, 'L87-'22 Sportster Models (Except RH Sportster (OEM #45378-87)) Features: High-quality replacement components Available in dealer packs of ten...$12.95 -
James Gaskets - JGI-25414-82DL - Rear Chain Housing Oil Seal - Fits 1980-1984 FLT/FLHT/FXRT with Enclosed Chain
James Gaskets
$23.95James Gaskets Rear Chain Housing Oil Seal for 1980-1984 FLT/FLHT/FXRT with Enclosed Chain Fits: 1982-1983 FLT/FLHT/FXRT with enclosed chain housing (catalog); Drag also lists 1980-1984, see the...$23.95 -
James Gaskets - JGI-37741-82-A - Large Mainshaft Oil Seal - 4-Speed - Double Lip, Metal OD - Fits 1982-1986 Big Twin
James Gaskets
$10.95James Gaskets Large Mainshaft Oil Seal - 4-Speed - Double Lip, Metal OD for 1982-1986 Big Twin Fits: 1982-1986 Big Twin 4-speed mainshaft (large, double lip, metal OD). Full year/model list is on the...$10.95 -
James Gaskets - JGI-12050 - Large Mainshaft Seal - Clutch Side - 5-Speed - Fits Late 1984-1994 Big Twin
James Gaskets
$9.95James Gaskets Large Mainshaft Seal - Clutch Side - 5-Speed for Late 1984-1994 Big Twin Fits: Late 1984-1994 Big Twin 5-speed mainshaft (clutch side). Full year/model list is on the Fitment tab. The...$9.95 -
James Gaskets - JGI-11133-FLH - Pushrod Quad Seal Kit - Fits 1982-1984 Shovelhead
James Gaskets
$11.95James Gaskets Pushrod Quad Seal Kit for 1982-1984 Shovelhead Fits: 1982-1984 Shovelhead (quad seal pushrod tubes). Full year/model list is on the Fitment tab. Quad seals for the pushrod tubes on late...$11.95 -
James Gaskets - JGI-11190-V2 - Pushrod Seal Set - Viton - Fits 1991-2003 Sportster
James Gaskets
$17.95James Gaskets Pushrod Seal Set - Viton for 1991-2003 Sportster Fits: 1991-2003 Sportster. Full year/model list is on the Fitment tab. Viton pushrod cover seals for the 5-speed Evo Sportster. Viton...$17.95 -
James Gaskets - JGI-11101-XL - Pushrod Seal Set - Fits 1979-1985 Sportster
James Gaskets
$8.95James Gaskets Pushrod Seal Set for 1979-1985 Sportster Fits: 1979-1985 Sportster. Full year/model list is on the Fitment tab. Pushrod tube O-rings for late Ironhead Sportsters, packaged as a complete...$8.95 -
James Gaskets - JGI-17955-36-XL - Pushrod Seal Set - Cork - Fits 1957-1979 Sportster
James Gaskets
$14.95James Gaskets Pushrod Seal Set - Cork for 1957-1979 Sportster Fits: 1957-1979 Sportster. Full year/model list is on the Fitment tab. Cork pushrod cover seals for Ironhead Sportsters. The right count...$14.95 -
James Gasket - Pushrod Seal Set fits '79-'81 Shovelhead Models (O-Ring)
James Gaskets
$11.95James Gasket - Pushrod Seal Set fits '79-'81 Shovelhead Models (O-Ring) Features: Convenient and efficient way to sell the correct amount of seals or O-rings for a rebuild or cam change James...$11.95 -
James Gasket - Pushrod Seal Set fits '48-'79 Big Twin Models (Cork)
James Gaskets
$17.95James Gasket - Pushrod Seal Set fits '48-'79 Big Twin Models (Cork) Features: Convenient and efficient way to sell the correct amount of seals or O-rings for a rebuild or cam change James...$17.95 -
James Gaskets - JGI-35211-36DL - Countershaft Nut with Seal - Fits '36-'64 Big Twin (Open or Closed Primary), '65-'69 Big Twin (Open Primary Only) & '70-'80 Big Twin (Stock Primary without Modifications)
James Gaskets
$51.95James Gaskets - JGI-35211-36DL - Countershaft Nut with Seal - Fits '36-'64 Big Twin (Open or Closed Primary), '65-'69 Big Twin (Open Primary Only) & '70-'80 Big Twin (Stock Primary without...$51.95 -
James Gaskets - JGI-12067-A - Main Drive Gear Seal - Fits '00-'06 Big Twin Models
James Gaskets
$10.95James Gaskets - JGI-12067-A - Main Drive Gear Seal - Fits '00-'06 Big Twin Models Fits: '00-'06 Big Twin Models. Full year/model list is on the Fitment tab. Main Drive Gear Seal from James Gaskets,...$10.95 -
James Gaskets - JGI-45843-77 - 41mm Fork Seals - Fits 'L77-'84 FL/FLH, '80-'83 FLT/FLHT & FXWG Models
James Gaskets
MSRP: $19.95$19.66James Gaskets - JGI-45843-77 - 41mm Fork Seals - Fits 'L77-'84 FL/FLH, '80-'83 FLT/FLHT & FXWG Models Fits: 'L77-'84 FL/FLH, '80-'83 FLT/FLHT & FXWG Models. Full year/model list is on the Fitment...MSRP: $19.95$19.66 -
James Gaskets - JGI-45846-84 - 41mm Fork Seals - Fits '84-'86 FLT Model
James Gaskets
$21.95James Gaskets - JGI-45846-84 - 41mm Fork Seals - Fits '84-'86 FLT Model Fits: '84-'86 FLT Model. Full year/model list is on the Fitment tab. 41mm Fork Seals from James Gaskets, the gasket outfit...$21.95 -
James Gaskets - JGI-37741-67-A - Trans Double Lip Seal - Fits 'L79-'81 Big Twin 4-Speed Models
James Gaskets
$17.95James Gaskets - JGI-37741-67-A - Trans Double Lip Seal - Fits 'L79-'81 Big Twin 4-Speed Models Fits: 'L79-'81 Big Twin 4-Speed Models. Full year/model list is on the Fitment tab. Trans Double Lip...$17.95 -
James Gaskets - JGI-16770-84-X - Cylinder Head Gaskets - 0.036" Carbon/Graphite (Pair) - Fits 1988-2022 XL1200
James Gaskets
$34.95James Gaskets Cylinder Head Gaskets - 0.036" Carbon/Graphite for 1988-2022 XL1200 Fits: 1988-2022 Sportster XL1200 (except RH Sportster). Full year/model list is on the Fitment tab. Carbon/graphite...$34.95 -
James Gasket - Interconnect Exhaust Gasket fits '99-'02 Dyna Models (OEM #65826-90, 65826-90A)
James Gaskets
$8.95James Gasket - Interconnect Exhaust Gasket fits '99-'02 Dyna Models (OEM #65826-90, 65826-90A) Features: High-quality exhaust port gaskets Made in the USA by James Gaskets$8.95 -
James Gasket - Remote Filter Seals fits '48-'64 Panhead Models
James Gaskets
$20.95James Gasket - Remote Filter Seals fits '48-'64 Panhead Models Features: High-quality drop-in filters are a dependable replacement Fitment$20.95 -
James Gaskets - JGI-16787-99 - .045" Head Gasket - Fits '99-'06 Twin Cam 95” Models
James Gaskets
$34.95James Gaskets - JGI-16787-99 - .045" Head Gasket - Fits '99-'06 Twin Cam 95” Models Fits: '99-'06 Twin Cam 95” Models. Full year/model list is on the Fitment tab. .045" Head Gasket from James...$34.95 -
James Gaskets - JGI-16787-99-X - .036" Head Gasket - Fits '99-'06 Twin Cam 95” Models
James Gaskets
$34.95James Gaskets - JGI-16787-99-X - .036" Head Gasket - Fits '99-'06 Twin Cam 95” Models Fits: '99-'06 Twin Cam 95” Models. Full year/model list is on the Fitment tab. .036" Head Gasket from James...$34.95 -
James Gaskets - JGI-16777-96-X - 4.000" S&S Cylinders Front/Rear Metal Base Gasket - Fits '84-'99 Evolution Models - Pair
James Gaskets
$44.95James Gaskets - JGI-16777-96-X - 4.000" S&S Cylinders Front/Rear Metal Base Gasket - Fits '84-'99 Evolution Models - Pair Fits: '84-'99 Evolution Models. Full year/model list is on the Fitment tab. 4...$44.95
James Gaskets – Motorcycle Engine Gaskets & Sealing Solutions
James Gaskets has built its reputation on manufacturing precision-engineered motorcycle gasket systems designed to meet the demands of modern and classic V-Twin engines. Produced by James Gaskets Inc, each component is developed to provide accurate fitment, controlled compression and resistance to heat, oil and vibration. These qualities make James a preferred choice for Harley-Davidson engine gaskets, professional engine builders and riders performing high-mileage or high-performance maintenance.
The product range covers a wide spectrum of motorcycle sealing components, including rocker cover gaskets, manifold gaskets, cylinder head gaskets, cam cover gaskets and transmission sealing kits. James Gaskets also offers complete engine gasket kits, top-end gasket sets and primary cover gaskets, allowing builders to service engines comprehensively without mixing brands. Advanced materials such as fiber composites, coated metals and molded rubber ensure consistent sealing across varying torque and temperature conditions.
Designed for reliability and precision, James Gaskets products support everything from routine maintenance to full engine rebuilds. From single motorcycle gasket replacements to full top-end service or complete engine gasket kit installations, riders benefit from consistent sealing performance and long-term durability. With decades of engineering expertise, James Gaskets remains a cornerstone brand in aftermarket motorcycle engine sealing solutions.