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-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 1979 Harley-Davidson Fat Bob...$9.95 -
James Gaskets - JGI-45400-75 - Fork Seal - Fits 'L75-'E84 FX/FXR Sportster Models
James Gaskets
$14.95James 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,...$14.95 -
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 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 1984 Harley-Davidson Low Glide...$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 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
$19.95James 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...$19.95 -
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 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 Available in dealer...$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 1958-1964 Harley-Davidson FLH...$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 - JGI-24776-40-X - Sprocket Shaft Seal - Fits '36-'54 Big Twin Models w/ Retainer
James Gaskets
$32.95James Gaskets - JGI-24776-40-X - Sprocket Shaft Seal - Fits '36-'54 Big Twin Models w/ Retainer Fits: '36-'54 Big Twin Models w/ Retainer. Full year/model list is on the Fitment tab. Sprocket Shaft...$32.95 -
James Gaskets - JGI-29250-78 - Carburetor Insulator Block Gasket - Fits '76-'80 FX & '79-'84 FL Models
James Gaskets
$29.95James Gaskets - JGI-29250-78 - Carburetor Insulator Block Gasket - Fits '76-'80 FX & '79-'84 FL Models Fits: '76-'80 FX & '79-'84 FL Models. Full year/model list is on the Fitment tab. Carburetor...$29.95 -
James Gasket - Shifter Shaft Seal fits '86-'05 Sportster Models (OEM #37101-84)
James Gaskets
$5.95James Gasket - Shifter Shaft Seal fits '86-'05 Sportster Models (OEM #37101-84) Features: Replacement Shifter Shaft Seals Fitment 2005 Harley-Davidson 883 Low...$5.95 -
James Gaskets - JGI-36805-06-X - 6-Speed Clutch Release Cover Gasket - Fits '07-'17 Twin Cam, '06 Dyna Models
James Gaskets
$17.95James Gaskets - JGI-36805-06-X - 6-Speed Clutch Release Cover Gasket - Fits '07-'17 Twin Cam, '06 Dyna Models Fits: '07-'17 Twin Cam, '06 Dyna Models. Full year/model list is on the Fitment tab...$17.95 -
James Gasket - Main Drive Gear Seal fits '07-'17 Twin Cam, '06 Dyna Models (OEM #12074)
James Gaskets
$10.95James Gasket - Main Drive Gear Seal fits '07-'17 Twin Cam, '06 Dyna Models (OEM #12074) Features: Top quality main drive gear shaft seals Fitment 2016-2017 Harley-Davidson Fat Boy S...$10.95 -
James Gasket - Transmission to Engine Seal fits '07-'16 FLHT, '06-'17 Dyna Models (OEM #35607-06)
James Gaskets
$15.95James Gasket - Transmission to Engine Seal fits '07-'16 FLHT, '06-'17 Dyna Models (OEM #35607-06) Features: Made in the U.S.A. Fitment 2016-2017 Harley-Davidson Low Rider S...$15.95 -
Out of stock
James Gasket - Cam Cover Gasket fits '09-'12 XR1200 Model (OEM #25279-08)
James Gaskets
$18.95James Gasket - Cam Cover Gasket fits '09-'12 XR1200 Model (OEM #25279-08) Features: Replacement gaskets for cam chests Made in the USA Fitment: 2009-2012 Harley-Davidson Sportster...$18.95 -
James Gaskets - JGI-18635-99-F - Tappet Cover Gasket - Fits '99-'17 Twin Cam Models - Pair
James Gaskets
$14.95James Gaskets - JGI-18635-99-F - Tappet Cover Gasket - Fits '99-'17 Twin Cam Models - Pair Fits: '99-'17 Twin Cam Models. Full year/model list is on the Fitment tab. Tappet Cover Gasket from James...$14.95 -
James Gasket - Breather Gasket fits '11-'17 Twin Cam Models (OEM #17025-03)
James Gaskets
$19.95James Gasket - Breather Gasket fits '11-'17 Twin Cam Models (OEM #17025-03) Features: High-quality genuine James Gaskets Made in the USA Fitment 2016-2017 Harley-Davidson Fat Boy S...$19.95 -
James Gasket - Cam Cover Gasket fits '93-'99 Evolution Models (Metal w/ Silicone (OEM #25225-93))
James Gaskets
$10.95James Gasket - Cam Cover Gasket fits '93-'99 Evolution Models (Metal w/ Silicone (OEM #25225-93)) Features: Replacement gaskets for cam chests Made in the...$10.95 -
James Gasket - Cam Quick Change Gasket Kit fits '93-'99 Evolution Big Twin Models
James Gaskets
$39.95James Gasket - Cam Quick Change Gasket Kit fits '93-'99 Evolution Big Twin Models Features: Kit includes all necessary gaskets, seals, O-rings and cork washers for doing a cam...$39.95 -
James Gaskets - JGI-25225-70-XM - 0.036” Cam Cover Gasket - Fits '70-'92 Big Twin Models (Metal Core, Paper Facing w/ Silicone
James Gaskets
$10.95James Gaskets - JGI-25225-70-XM - 0.036” Cam Cover Gasket - Fits '70-'92 Big Twin Models (Metal Core, Paper Facing w/ Silicone Fits: '70-'92 Big Twin Models (Metal Core, Paper Facing w/ Silicone...$10.95 -
James Gasket - Rocker Housing Gasket fits '99-'17 Twin Cam Models (OEM #16719-99A, 16719-99B)
James Gaskets
$29.95James Gasket - Rocker Housing Gasket fits '99-'17 Twin Cam Models (OEM #16719-99A, 16719-99B) Features: Strategically placed elastomer beading helps ensure a positive seal while our clear...$29.95 -
James Gasket - Rocker Cover Gasket fits '99-'17 Twin Cam Models (OEM #17386-99A)
James Gaskets
$29.95James Gasket - Rocker Cover Gasket fits '99-'17 Twin Cam Models (OEM #17386-99A) Features: Strategically placed elastomer beading helps ensure a positive seal while our clear silicone conformal...$29.95 -
James Gasket - Foamet® Primary Cover Gasket fits '04-'22 Sportster Models (Except RH Sportster (OEM #34955-04))
James Gaskets
$36.95James Gasket - Foamet® Primary Cover Gasket fits '04-'22 Sportster Models (Except RH Sportster (OEM #34955-04)) Features: Top quality gaskets, seals and O-rings meet or exceed OEM...$36.95 -
James Gasket - Engine Inner Primary Seal fits '17-'23 M-Eight Models (OEM #256004-55, 257004-55)
James Gaskets
$24.95James Gasket - Engine Inner Primary Seal fits '17-'23 M-Eight Models (OEM #256004-55, 257004-55) Features: Made in the U.S.A. Fitment 2020 Harley-Davidson Road Glide Limited...$24.95 -
James Gaskets - JGI-34901-07-F - Foamet Primary Cover Gasket - Fits '07-'16 FLT Model
James Gaskets
$52.95James Gaskets - JGI-34901-07-F - Foamet Primary Cover Gasket - Fits '07-'16 FLT Model Fits: '07-'16 FLT Model. Full year/model list is on the Fitment tab. Foamet Primary Cover Gasket from James...$52.95 -
James Gaskets - JGI-60547-06-F - Foamet Primary Cover Gasket - Fits '07-'17 Softail, '06-'17 Dyna Models
James Gaskets
$52.95James Gaskets - JGI-60547-06-F - Foamet Primary Cover Gasket - Fits '07-'17 Softail, '06-'17 Dyna Models Fits: '07-'17 Softail, '06-'17 Dyna Models. Full year/model list is on the Fitment tab. Foamet...$52.95
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.