Dirt Bike Engine
Explore our selection for dirt bike parts for adding horsepower or reliability to a dirt bike's engine. We feature engine parts from Wiseco, Vertex, and more common engine part manufacturers. Get new pistons and gasket kits for re-freshening engines to withstand any conditions you put your bike through!
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- Qty in Cart
- Quantity
- Price
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JAMES GASKET Neoprene O-Rings - 1 x 3/32" 253019
JAMES GASKET
$8.95JAMES GASKET Neoprene O-Rings 1 x 3/32" 253019Replacements for original Sundance neoprene O-ringsDS253019- SKU:
- DS253019
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- NEOPRENE
- PRODUCT NAME:
- O-RING
- OUTSIDE DIAMETER:
- 1,000'
- OUTSIDE DIAMETER IMPERIAL:
- 1.000'
- UNITS:
- 10 PACK
- INSIDE DIAMETER IMPERIAL:
- 0.094'
- RIDING STYLE:
- STREET
- APPLICATION:
- KICK PEDAL
$8.95 -
JAMES GASKET Valve Stem Seal - EVO 18001-83-A
JAMES GASKET
$9.95JAMES GASKET Valve Stem Seal EVO 18001-83-AKits include four valve guide seals, Made in the U.S.A.DS199107- SKU:
- DS199107
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- TYPE:
- VALVE STEM
- UNITS:
- 4 PACK
- PRODUCT NAME:
- SEAL
$9.95 -
JAMES GASKET Neoprene O-Rings - 3/4 x 3/32 241015
JAMES GASKET
$2.95JAMES GASKET Neoprene O-Rings 3/4 x 3/32 241015Replacements for original Sundance neoprene O-ringsDS241015- SKU:
- DS241015
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- KICK PEDAL
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER IMPERIAL:
- 0.750'
- THICKNESS IMPERIAL:
- 0.094'
- OUTSIDE DIAMETER:
- 0,750'
- UNITS:
- 12 PACK
- MATERIAL:
- NEOPRENE
$2.95 -
JAMES GASKET Derby Cover O-Ring - XL 25463-94
JAMES GASKET
$14.00JAMES GASKET Derby Cover O-Ring XL 25463-94Latest 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 work with all...DS193622- SKU:
- DS193622
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- DERBY COVER
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
$14.00 -
JAMES GASKET Turn Signal O-Ring - Big Twin/XL 68455-86
JAMES GASKET
$14.00JAMES GASKET Turn Signal O-Ring Big Twin/XL 68455-86Made in the U.S.A.DS193623- SKU:
- DS193623
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- TURN SIGNAL LENS
- TYPE:
- OIL
- UNITS:
- 10 PACK
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
$14.00 -
JAMES GASKET Accelerator Pump O-Ring 27360-76
JAMES GASKET
$11.40JAMES GASKET Accelerator Pump O-Ring 27360-76Made in the U.S.A.DS193626- SKU:
- DS193626
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- UNITS:
- 20 PACK
- TYPE:
- SEAL
- APPLICATION:
- ACCELERATOR PUMP
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
$11.40 -
JAMES GASKET Low Speed Adjustment O-Ring - Big Twin 27892-78
JAMES GASKET
$6.70JAMES GASKET Low Speed Adjustment O-Ring Big Twin 27892-78Made in the U.S.A.DS193628- SKU:
- DS193628
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- APPLICATION:
- CARBURETOR
- PRODUCT NAME:
- O-RING
$6.70 -
JAMES GASKET Shifter Lever Seal - XL 7019
JAMES GASKET
$11.40JAMES GASKET Shifter Lever Seal XL 7019JAMES GASKET Shifter Lever Seal - XLDS193632- SKU:
- DS193632
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- SEAL
- UNITS:
- 10 PACK
- APPLICATION:
- SHIFTER SHAFT
- APPLICATION:
- CHAIN COVER
- RIDING STYLE:
- STREET
$11.40 -
JAMES GASKET Pushrod Seal Set - Big Twin 17955-48-FL
JAMES GASKET
$17.95JAMES GASKET Pushrod Seal Set Big Twin 17955-48-FLConvenient and efficient way to sell the correct amount of seals or O-rings for a rebuild or cam change, James complete kits are neatly packaged for easy display, Made in the U.S.A.DS194493- SKU:
- DS194493
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- PUSHROD TUBE
- MATERIAL:
- CORK
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- STREET
$17.95 -
JAMES GASKET Inner Primary Bearing Seal 12018
JAMES GASKET
$19.40JAMES GASKET Inner Primary Bearing Seal 12018Made in the U.S.A.DS194480- SKU:
- DS194480
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- APPLICATION:
- INNER PRIMARY
$19.40 -
JAMES GASKET Clutch Hub Nut Seal 12014
JAMES GASKET
$9.10JAMES GASKET Clutch Hub Nut Seal 12014Direct OEM Replacement.DS194475- SKU:
- DS194475
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- SPROCKET
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SEAL
$9.10 -
JAMES GASKET Mainshaft Seal 5 Speed - Big Twin 12050
JAMES GASKET
$9.95JAMES GASKET Mainshaft Seal 5 Speed Big Twin 12050Top quality main drive gear shaft sealsDS194476- SKU:
- DS194476
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- EACH
- APPLICATION:
- MAIN DRIVE GEAR
- APPLICATION:
- MAINSHAFT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- APPLICATION:
- TRANSMISSION
$9.95 -
JAMES GASKET Trans Mainshaft Seal - Small 12022
JAMES GASKET
$9.40JAMES GASKET Trans Mainshaft Seal Small 12022Top quality main drive gear shaft sealsDS194470- SKU:
- DS194470
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- MAIN DRIVE GEAR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- UNITS:
- 5 PACK
$9.40 -
JAMES GASKET Motor Sprocket Seal 35151-52-A
JAMES GASKET
$17.40JAMES GASKET Motor Sprocket Seal 35151-52-AMade in the U.S.A.DS194415- SKU:
- DS194415
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- 5 PACK
- APPLICATION:
- ENGINE
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- APPLICATION:
- TRANSMISSION
$17.40 -
JAMES GASKET Sprocket Shaft Seal - XL 12049-DL
JAMES GASKET
$14.70JAMES GASKET Sprocket Shaft Seal XL 12049-DLMade in the U.S.A.DS194417- SKU:
- DS194417
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- SPROCKET SHAFT
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- APPLICATION:
- TRANSMISSION
$14.70 -
JAMES GASKET Right Side Mainshaft Seal - XL 12030
JAMES GASKET
$12.40JAMES GASKET Right Side Mainshaft Seal XL 12030Top quality main drive gear shaft sealsDS194418- SKU:
- DS194418
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- MAIN DRIVE GEAR
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SEAL
$12.40 -
JAMES GASKET Points Seal - XL 11124
JAMES GASKET
$19.70JAMES GASKET Points Seal XL 11124Made in the U.S.A.DS194420- SKU:
- DS194420
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- 5 PACK
- APPLICATION:
- CAM COVER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
$19.70 -
JAMES GASKET Points Double Lip Seal - XL 11124-DL
JAMES GASKET
$19.70JAMES GASKET Points Double Lip Seal XL 11124-DLMade in the U.S.A.DS194421- SKU:
- DS194421
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- CAM COVER
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$19.70 -
JAMES GASKET Lower Pushrod Quad Seal 11133-A
JAMES GASKET
$13.20JAMES GASKET Lower Pushrod Quad Seal 11133-AMade in the U.S.A.DS194422- SKU:
- DS194422
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- PUSHROD COVER
- PRODUCT NAME:
- X-RING
- RIDING STYLE:
- STREET
- TYPE:
- QUAD SEAL
- UNITS:
- 25 PACK
- APPLICATION:
- TAPPET GUIDE
- MATERIAL:
- RUBBER
$13.20 -
JAMES GASKET Small Main Drive Gear Seal 12013
JAMES GASKET
$11.50JAMES GASKET Small Main Drive Gear Seal 12013Top quality main drive gear shaft sealsDS194423- SKU:
- DS194423
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- MAIN DRIVE GEAR
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
$11.50
