JAMES GASKET
James Gasket Gaskets, Seals, and O-Rings at JJ Motorsports
James Gasket, founded in 1979, is a trusted leader in the motorcycle industry, specializing in high-quality gaskets, seals, and O-rings. Their products are made in the USA, meet or exceed OEM specifications, and are designed for precision and durability, serving motorcycle enthusiasts and professionals for engine rebuilds, maintenance, and performance enhancements.
At JJ Motorsports, we offer a wide selection of James Gasket products to meet your engine and transmission needs. For Big Twin models, consider the Trans Pan Gasket - M8 JGI-25700452 as a reliable replacement, or the Primary Gasket JGI-25700564 for top-quality fitment. Riders looking to replace fork seals can opt for the Fork Seal Kit - 49 mm 45849-01-VR, which includes everything needed for installation. For quick cam changes, the Cam Quick Change Kit - Big Twin 25225-70-KX provides all necessary components, while the Motor Gasket Kit - 88" 17053-99-X is ideal for complete Panhead engine rebuilds. Enhance cylinder performance with the Cylinder Head Gasket - M8 JGI-16500326, sold in convenient packs.
James Gasket products provide significant benefits such as leak-proof seals, enhanced engine efficiency, and simplified maintenance. Key features include high-quality materials like rubber, silicone, foamet, and steel for durability, precise fitment without additional sealers in many cases, and compatibility with various models including Big Twin, M8, and XL for street and performance applications.
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- Qty in Cart
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- Price
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JAMES GASKET Fork Air Control O-Rings - 10-Pack 45443-86
JAMES GASKET
$14.10High-quality replacement components, Made in the U.S.A.DS174459- SKU:
- DS174459
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$14.10 -
JAMES GASKET Oil Seal for Supernut 35211-85-DL
JAMES GASKET
$24.70Replacement oil seal, For 4-Speed TransmissionDS174458- SKU:
- DS174458
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- STYLE:
- 4-SPEED
- PRODUCT NAME:
- SEAL
- TYPE:
- SUPER NUT
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$24.70 -
JAMES GASKET Derby Cover Gasket Silicon - Big Twin 25416-70-X
JAMES GASKET
$55.40Latest additions to our line of high-quality genuine James gaskets, seals and O-rings, Cover seals are a seal, not a gasket, Cover seals are molded rubber, beaded oil seals with metal inserts and...DS174457- SKU:
- DS174457
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- SILICONE
- UNITS:
- 10 PACK
- FEATURES:
- BEADED
- RIDING STYLE:
- STREET
- STYLE:
- PRIMARY
- THICKNESS IMPERIAL:
- 0,062'
- THICKNESS METRIC:
- 1.60 MM
- TYPE:
- DERBY COVER
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
- THICKNESS:
- 1,60 MM (0,062')
$55.40 -
JAMES GASKET Trans Mainshaft Seal Kit - 4 Speed 37741-67-K
JAMES GASKET
$24.95Designed for most 4-, 5- or 6-speed Big Twin transmissions, Made in the U.S.A.DS174456- SKU:
- DS174456
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- TRANSMISSION
- STYLE:
- 4-SPEED
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$24.95 -
JAMES GASKET Main Drive Gear Double Lip Seal 37741-82DL
JAMES GASKET
$13.95Top quality main drive gear shaft sealsDS174455- SKU:
- DS174455
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- MAIN DRIVE GEAR
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$13.95 -
JAMES GASKET Shift Fork Shaft - Big Twin 34036-80
JAMES GASKET
$7.80Quality washers made to last, Made in the U.S.A.DS174454- SKU:
- DS174454
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- WASHER
- RIDING STYLE:
- STREET
- TYPE:
- SHIFTER SHAFT
- UNITS:
- 10 PACK
$7.80 -
JAMES GASKET Float Bowl O-Ring - XL,F 27889-78
JAMES GASKET
$21.00Made in the U.S.A.DS174448- SKU:
- DS174448
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- FLOAT BOWL
- PRODUCT NAME:
- O-RING
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- APPLICATION:
- CARBURETOR
$21.00 -
JAMES GASKET Diaphragm Acceleration Pump - '76-'06 Harley-Davidson 27361-76
JAMES GASKET
$18.95Made in the U.S.A.DS174445- SKU:
- DS174445
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- DIAPHRAGM
- RIDING STYLE:
- STREET
- TYPE:
- ACCELERATOR PUMP
- UNITS:
- EACH
$18.95 -
JAMES GASKET Starter Housing Gasket 60559-80
JAMES GASKET
$13.90Made in the U.S.A.DS174443- SKU:
- DS174443
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- RIDING STYLE:
- STREET
- TYPE:
- STARTER HOUSING
- UNITS:
- 10 PACK
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
$13.90 -
JAMES GASKET Starter Housing to Trans Gasket 31321-80
JAMES GASKET
$15.60Made in the U.S.A.DS174442- SKU:
- DS174442
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- RIDING STYLE:
- STREET
- TYPE:
- STARTER HOUSING
- MOUNTING POSITION:
- MIDDLE
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
- UNITS:
- 10 PACK
$15.60 -
JAMES GASKET Electric Start Hole Gasket 60518-65
JAMES GASKET
$4.50Made in the U.S.A.DS174440- SKU:
- DS174440
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- TYPE:
- STARTER HOUSING
- UNITS:
- 10 PACK
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
$4.50 -
JAMES GASKET Distributor Base Gasket - Big Twin 32521-36
JAMES GASKET
$5.80Flexible paper gasket product line utilized the latest in gasket paper technology called MicroPore., These gaskets exhibit exceptional fluid resistance and sealability in a wide range of applications...DS174436- SKU:
- DS174436
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- CIRCUIT BREAKER COVER
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- TYPE:
- DISTRIBUTOR BASE
- UNITS:
- 10 PACK
$5.80 -
JAMES GASKET Point Cover Gasket 32591-80
JAMES GASKET
$7.10Replacement point cover gaskets for Shovelhead cam chestDS174435- SKU:
- DS174435
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
- TYPE:
- CIRCUIT BREAKER COVER
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
$7.10 -
JAMES GASKET Oil Pump Shaft End C-Clip - Big Twin 26348-36
JAMES GASKET
$11.70Replacement drive shaft retaining ring for Big Twin oil pumpsDS174433- SKU:
- DS174433
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- C-CLIP
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP
- UNITS:
- 10 PACK
$11.70 -
JAMES GASKET Oil Pump Body to Motor Gasket - 80" 26276-92
JAMES GASKET
$12.00JAMES GASKET Oil Pump Body to Motor Gasket - 80"DS174432- SKU:
- DS174432
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
- TYPE:
- OIL PUMP
- UNITS:
- 10 PACK
$12.00 -
JAMES GASKET Oil Pump Body to Motor Gasket - 80" 26273-92
JAMES GASKET
$12.00JAMES GASKET Oil Pump Body to Motor Gasket - 80"DS174431- SKU:
- DS174431
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP
- UNITS:
- 10 PACK
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
$12.00 -
JAMES GASKET Inspection Cover Gasket - FL/FX 60567-65
JAMES GASKET
$12.00Latest additions to our line of high-quality genuine James gaskets, seals and O-rings, Cover seals are a seal, not a gasket, Cover seals are molded rubber, beaded oil seals with metal inserts and...DS174430- SKU:
- DS174430
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- UNITS:
- 10 PACK
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- STYLE:
- 4-SPEED
- THICKNESS METRIC:
- 0.81 MM
- TYPE:
- INSPECTION COVER
- PRODUCT NAME:
- GASKET
- STYLE:
- PRIMARY
- THICKNESS:
- 0,81 MM (0,032')
- THICKNESS IMPERIAL:
- 0,032'
$12.00 -
JAMES GASKET Oil Pump Body Gasket - Big Twin 26273-80AM
JAMES GASKET
$19.30JAMES GASKET Oil Pump Body Gasket - Big TwinDS174429- SKU:
- DS174429
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MATERIAL:
- MYLAR
- RIDING STYLE:
- STREET
- STYLE:
- BODY
- PRODUCT NAME:
- GASKET
- TYPE:
- OIL PUMP
- UNITS:
- 10 PACK
$19.30 -
JAMES GASKET Oil Pump Cover Gasket - Big Twin 26258-68-B
JAMES GASKET
$19.30JAMES GASKET Oil Pump Cover Gasket - Big TwinDS174428- SKU:
- DS174428
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- MYLAR
- STYLE:
- COVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP
- UNITS:
- 10 PACK
- PRODUCT NAME:
- GASKET
$19.30 -
JAMES GASKET Oil Pump Gasket - Big Twin 26246-68-A
JAMES GASKET
$16.83JAMES GASKET Oil Pump Gasket - Big TwinDS174427- SKU:
- DS174427
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- TYPE:
- OIL PUMP
- UNITS:
- 10 PACK
- MATERIAL:
- MYLAR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
- STYLE:
- BODY
$16.83 -
JAMES GASKET Oil Pump Cap Washer - FL 26231-78
JAMES GASKET
$11.10JAMES GASKET Oil Pump Cap Washer - FLDS174426- SKU:
- DS174426
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- TEFLON
- PRODUCT NAME:
- WASHER
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP CAP
$11.10 -
JAMES GASKET Felt Pad - Panhead 17507-48
JAMES GASKET
$32.90Replacement felt pads for mounting rocker covers., Made in the U.S.A.DS174425- SKU:
- DS174425
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- UNITS:
- 10 PACK
- TYPE:
- ROCKER COVER
- RIDING STYLE:
- STREET
- MATERIAL:
- FELT
- MATERIAL:
- STEEL
- PRODUCT NAME:
- GASKET
$32.90 -
JAMES GASKET Lower Rocker Cover Gasket - Big Twin 17355-92
JAMES GASKET
$42.80Made 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...DS174423- SKU:
- DS174423
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MOUNTING POSITION:
- LOWER
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER BOX
- UNITS:
- 5 PACK
- PRODUCT NAME:
- GASKET
- MATERIAL:
- RUBBER
$42.80 -
JAMES GASKET Cam Cover Gasket - Knucklehead EL 25225-36-A
JAMES GASKET
$29.10Replacement gaskets for cam chestsDS174422- SKU:
- DS174422
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,020'
- THICKNESS METRIC:
- 0.51 MM
- THICKNESS:
- 0,51 MM (0,020')
- PRODUCT NAME:
- GASKET
- TYPE:
- CAM COVER
- UNITS:
- 10 PACK
$29.10 -
JAMES GASKET Magneto Plate Oil Seal - XLCH 12023
JAMES GASKET
$22.10Made in the U.S.A.DS174421- SKU:
- DS174421
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SEAL
- APPLICATION:
- MAGNETO MOUNTING
- APPLICATION:
- PUSHROD COVER
$22.10 -
JAMES GASKET Rear Cylinder Base Gasket - Big Twin 16777-48
JAMES GASKET
$16.60Require no gasket sealer, Made in the U.S.A.DS174420- SKU:
- DS174420
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
- TYPE:
- CYLINDER BASE
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,032'
- THICKNESS METRIC:
- 0.81 MM
$16.60 -
JAMES GASKET Rubber Upper Rocker Cover Gasket - Big Twin 17356-92
JAMES GASKET
$42.80Made 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...DS174419- SKU:
- DS174419
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER BOX
- PRODUCT NAME:
- GASKET
- MOUNTING POSITION:
- UPPER
- UNITS:
- 5 PACK
- MATERIAL:
- RUBBER
$42.80 -
JAMES GASKET Rocker Cover Gasket 17539-38
JAMES GASKET
$14.11Made 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...DS174417- SKU:
- DS174417
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
- TYPE:
- ROCKER COVER
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- TYPE:
- EXHAUST
- MOUNTING POSITION:
- FRONT
$14.11 -
JAMES GASKET Rocker Cover Gasket 17537-38
JAMES GASKET
$16.60Made 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...DS174416- SKU:
- DS174416
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- GASKET
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- TYPE:
- INTAKE
- TYPE:
- ROCKER COVER
- MOUNTING POSITION:
- REAR
- UNITS:
- 10 PACK
$16.60 -
JAMES GASKET Rocker Cover Gasket 17535-38
JAMES GASKET
$14.70Made 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...DS174415- SKU:
- DS174415
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- ROCKER COVER
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- MOUNTING POSITION:
- REAR
- TYPE:
- EXHAUST
- TYPE:
- INTAKE
- UNITS:
- 10 PACK
$14.70 -
JAMES GASKET Rocker Cover Seal 17475-38
JAMES GASKET
$23.70JAMES GASKET Rocker Cover SealDS174414- SKU:
- DS174414
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- TYPE:
- ROCKER COVER
- PRODUCT NAME:
- SEAL
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
$23.70 -
JAMES GASKET Rubber Inner Rocker Cover Gasket 17358-84-A
JAMES GASKET
$20.30Made 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...DS174413- SKU:
- DS174413
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- GASKET
- MATERIAL:
- RUBBER
- MOUNTING POSITION:
- INNER
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER BOX
- UNITS:
- 10 PACK
$20.30 -
JAMES GASKET Upper Rocker Cover Gasket Rubber 17356-84-A
JAMES GASKET
$42.80Made 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...DS174412- SKU:
- DS174412
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- RUBBER
- MOUNTING POSITION:
- UPPER
- PRODUCT NAME:
- GASKET
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER BOX
$42.80 -
JAMES GASKET Lower Rocker Cover Rubber - Big Twin 17355-84-A
JAMES GASKET
$42.80Made 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...DS174411- SKU:
- DS174411
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- RUBBER
- UNITS:
- 5 PACK
- MOUNTING POSITION:
- LOWER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
- TYPE:
- ROCKER BOX
$42.80 -
JAMES GASKET Front Cylinder Base Gasket - Big Twin 16776-48
JAMES GASKET
$16.60Require no gasket sealer, Made in the U.S.A.DS174410- SKU:
- DS174410
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- THICKNESS METRIC:
- 0.81 MM
- TYPE:
- CYLINDER BASE
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,032'
- MATERIAL:
- PAPER
- PRODUCT NAME:
- GASKET
$16.60 -
JAMES GASKET Base Gasket - 3-5/8" - Big Twin 16777-66-S
JAMES GASKET
$24.50Require no gasket sealer, Made in the U.S.A.DS174409- SKU:
- DS174409
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BORE SIZE IMPERIAL:
- 3.625'
- TYPE:
- CYLINDER BASE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- GASKET
- THICKNESS METRIC:
- 0.81 MM
- UNITS:
- 10 PACK
- THICKNESS IMPERIAL:
- 0,032'
- RIDING STYLE:
- STREET
$24.50 -
JAMES GASKET Front Base Gasket - FL/FX 16776-63
JAMES GASKET
$16.60Require no gasket sealer, Made in the U.S.A.DS174408- SKU:
- DS174408
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- MATERIAL:
- PAPER
- THICKNESS METRIC:
- 0.81 MM
- PRODUCT NAME:
- GASKET
- THICKNESS IMPERIAL:
- 0,032'
- TYPE:
- CYLINDER BASE
$16.60 -
JAMES GASKET Front/Rear Base Gasket - EL 16774-21
JAMES GASKET
$16.60Require no gasket sealer, Made in the U.S.A.DS174405- SKU:
- DS174405
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- THICKNESS IMPERIAL:
- 0,031'
- UNITS:
- 10 PACK
- TYPE:
- CYLINDER BASE
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 0.79 MM
- PRODUCT NAME:
- GASKET
$16.60 -
JAMES GASKET Head Gasket - Big Twin 16773-85-T
JAMES GASKET
$59.20Made in the U.S.A.DS174404- SKU:
- DS174404
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- DISPLACEMENT:
- 1200 CC
- PRODUCT NAME:
- GASKET
- THICKNESS IMPERIAL:
- 0,045'
- THICKNESS METRIC:
- 1.14 MM
- MATERIAL:
- TEFLON
- RIDING STYLE:
- STREET
- THICKNESS:
- 1,14 MM (0,045')
- UNITS:
- 5 PACK
- DISPLACEMENT:
- 1340 CC
- TYPE:
- CYLINDER HEAD
$59.20 -
JAMES GASKET Big Bore Gasket Set - Big Twin 16770-86-S
JAMES GASKET
$49.95Genuine James kits include matching head and base gaskets and O-rings where applicable, Made in the U.S.A.DS174403- SKU:
- DS174403
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- GASKET
- STYLE:
- STANDARD BORE
- BORE SIZE IMPERIAL:
- 3.625'
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,062'
- THICKNESS METRIC:
- 1.60 MM
- TYPE:
- CYLINDER HEAD
- TYPE:
- CYLINDER BASE
- UNITS:
- KIT
- MATERIAL:
- TEFLON
$49.95
