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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Dirt Bike Cams and Parts
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Dirt Bike Connecting Rods and Parts
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Dirt Bike Crankcases and Parts
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Dirt Bike Crankshafts and Parts
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Dirt Bike Cylinder Heads and Parts
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Dirt Bike Cylinders and Parts
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Dirt Bike Engine Bearings
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Dirt Bike Engine Covers
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Dirt Bike Engine Gaskets and Kits
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Dirt Bike Engine Rebuild Kits
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Dirt Bike Engine Seals - Orings and Kits
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Dirt Bike Engine Valves and Parts
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Dirt Bike Flywheel and Rod Assemblies
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Dirt Bike Fuel Filters
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Dirt Bike Miscellaneous Engine Parts
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Dirt Bike Oil Coolers
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Dirt Bike Oil Filters
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Dirt Bike Oil Lines
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Dirt Bike Oil Pumps
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Dirt Bike Piston and Ring Kits
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Dirt Bike Piston Rings Only
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Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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JAMES GASKET Pushrod O-Ring Kit - XL 11377-K
JAMES GASKET
$16.95JAMES GASKET Pushrod O-Ring Kit XL 11377-KConvenient 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.9350107- SKU:
- 9350107
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- PUSHROD COVER
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL KIT
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
$16.95 -
JAMES GASKET Valve Stem Seal - Big Twin 18094-02
JAMES GASKET
$14.95JAMES GASKET Valve Stem Seal Big Twin 18094-02Kits include four valve guide seals, Made in the U.S.A.9350108- SKU:
- 9350108
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- TYPE:
- VALVE STEM
- PRODUCT NAME:
- SEAL
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
$14.95 -
JAMES GASKET Derby/Inspection Gasket Kit - Softail 25416-99-K
JAMES GASKET
$27.95JAMES GASKET Derby/Inspection Gasket Kit Softail 25416-99-KLatest 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...11050037- SKU:
- 11050037
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- DERBY COVER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- MATERIAL:
- STEEL
- TYPE:
- INSPECTION COVER
$27.95 -
JAMES GASKET Derby/Inspection Gasket Kit - FLT 25416-99-KT
JAMES GASKET
$27.95JAMES GASKET Derby/Inspection Gasket Kit FLT 25416-99-KTLatest 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...11050038- SKU:
- 11050038
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET KIT
- MATERIAL:
- STEEL
- TYPE:
- INSPECTION COVER
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- DERBY COVER
$27.95 -
JAMES GASKET Copper Head Gasket 16769-36
JAMES GASKET
$80.16JAMES GASKET Copper Head Gasket 16769-36Made in the U.S.A.9340545- SKU:
- 9340545
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MATERIAL:
- COPPER
- RIDING STYLE:
- STREET
- TYPE:
- CYLINDER HEAD
- PRODUCT NAME:
- GASKET
- UNITS:
- 5 PACK
$80.16 -
JAMES GASKET Shop Service Breather Kit 29230-90-K
JAMES GASKET
$15.95JAMES GASKET Shop Service Breather Kit 29230-90-KIncludes all gaskets, seals and O-rings to service OEM breather systems, Made in the U.S.A.9340942- SKU:
- 9340942
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- INTAKE
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$15.95 -
JAMES GASKET Crankcase Saver Kit 11125-XM
JAMES GASKET
$51.95JAMES GASKET Crankcase Saver Kit 11125-XMKit used when O-ring ridge is broken or bent9340943- SKU:
- 9340943
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MATERIAL:
- RUBBER-COVERED METAL
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- CRANKCASE SAVER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$51.95 -
JAMES GASKET Intake Manifold Gasket Kit 27002-57
JAMES GASKET
$15.95JAMES GASKET Intake Manifold Gasket Kit 27002-57Made in the U.S.A.9340944- SKU:
- 9340944
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- INTAKE MANIFOLD
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- KIT
$15.95 -
JAMES GASKET Top End Gasket Kit - EVO 17033-83-MLS
JAMES GASKET
$141.95JAMES GASKET Top End Gasket Kit EVO 17033-83-MLSTop-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.9340946- SKU:
- 9340946
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,045'
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.500'
- PRODUCT NAME:
- GASKET KIT
- THICKNESS METRIC:
- 1.14 MM
$141.95 -
JAMES GASKET Top End Gasket Kit - EVO 17040-92-MLS
JAMES GASKET
$141.95JAMES GASKET Top End Gasket Kit EVO 17040-92-MLSTop-quality gaskets, oil seals and O-rings necessary to rebuild an engine, Made in the U.S.A.9340947- SKU:
- 9340947
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- BORE SIZE IMPERIAL:
- 3.500'
- UNITS:
- KIT
- TYPE:
- TOP END
$141.95 -
JAMES GASKET Rocker Cover Gasket - XL 17536-70-X
JAMES GASKET
$32.95JAMES GASKET Rocker Cover Gasket XL 17536-70-XMade 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 fills in...9340948- SKU:
- 9340948
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,020'
- TYPE:
- ROCKER BOX
- MATERIAL:
- STEEL
- THICKNESS METRIC:
- 0.51 MM
- MATERIAL:
- RUBBER
- THICKNESS:
- 0,51 MM (0,020')
- UNITS:
- PAIR
- FEATURES:
- BEADED
- PRODUCT NAME:
- GASKET
$32.95 -
JAMES GASKET Left/Right Rocker Cover Gasket 16779-84-X
JAMES GASKET
$17.95JAMES GASKET Left/Right Rocker Cover Gasket 16779-84-XMade 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...9340949- SKU:
- 9340949
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MOUNTING POSITION:
- LOWER
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER BOX
- FEATURES:
- BEADED
- MATERIAL:
- PAPER
- UNITS:
- EACH
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- GASKET
$17.95 -
JAMES GASKET Starter Rubber Gasket 60518-65-X
JAMES GASKET
$6.95JAMES GASKET Starter Rubber Gasket 60518-65-XMade in the U.S.A.9340951- SKU:
- 9340951
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- RIDING STYLE:
- STREET
- TYPE:
- STARTER HOLE COVER
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
- MATERIAL:
- RUBBER
- MATERIAL:
- STEEL
$6.95 -
JAMES GASKET Head Gasket - 95" - Twin Cam 16787-99-MLS
JAMES GASKET
$75.95JAMES GASKET Head Gasket 95" Twin Cam 16787-99-MLSGenuine James kits include matching head and base gaskets and O-rings where applicable, Made in the U.S.A.9340953- SKU:
- 9340953
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- RIDING STYLE:
- STREET
- STYLE:
- BIG BORE
- BORE SIZE IMPERIAL:
- 3.875'
- PRODUCT NAME:
- GASKET
- MATERIAL:
- MLS (MULTI-LAYER STEEL)
- THICKNESS METRIC:
- 1.14 MM
- TYPE:
- CYLINDER BASE
- TYPE:
- CYLINDER HEAD
- UNITS:
- KIT
- THICKNESS IMPERIAL:
- 0,045'
$75.95 -
JAMES GASKET Head Gasket - MLS - Evo 16770-84-MLS
JAMES GASKET
$75.95JAMES GASKET Head Gasket MLS Evo 16770-84-MLSGenuine James kits include matching head and base gaskets and O-rings where applicable, Made in the U.S.A.9340954- SKU:
- 9340954
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- MATERIAL:
- STEEL
- BORE SIZE IMPERIAL:
- 3.500'
- THICKNESS METRIC:
- 1.14 MM
- TYPE:
- CYLINDER BASE
- UNITS:
- KIT
- MATERIAL:
- MLS (MULTI-LAYER STEEL)
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD BORE
- TYPE:
- CYLINDER HEAD
- PRODUCT NAME:
- GASKET
- THICKNESS IMPERIAL:
- 0,045'
$75.95 -
JAMES GASKET Head Gasket - Knucklehead 16770-36-C
JAMES GASKET
$54.95JAMES GASKET Head Gasket Knucklehead 16770-36-CGenuine James kits include matching head and base gaskets and O-rings where applicable, Made in the U.S.A.9340955- SKU:
- 9340955
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- BORE SIZE IMPERIAL:
- STANDARD
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD BORE
- THICKNESS IMPERIAL:
- -
- THICKNESS METRIC:
- -
- TYPE:
- CYLINDER HEAD
- MATERIAL:
- -
- TYPE:
- CYLINDER BASE
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
$54.95 -
JAMES GASKET Tappet Cover Metal Gasket 17976-04
JAMES GASKET
$10.95JAMES GASKET Tappet Cover Metal Gasket 17976-04Convenient 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.9340956- SKU:
- 9340956
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- PAIR
- FEATURES:
- BEADED
- RIDING STYLE:
- STREET
- TYPE:
- TAPPET COVER
- MATERIAL:
- RUBBER
- MATERIAL:
- STEEL
$10.95 -
JAMES GASKET Rocker Cover Seal - Panhead 17541-48-DL
JAMES GASKET
$51.95JAMES GASKET Rocker Cover Seal Panhead 17541-48-DLMade 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 fills in...9340726- SKU:
- 9340726
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 3.20 MM
- MATERIAL:
- RUBBER
- MATERIAL:
- STEEL
- THICKNESS:
- 3,20 MM (0,125')
- TYPE:
- ROCKER COVER
- PRODUCT NAME:
- GASKET
- THICKNESS IMPERIAL:
- 0,125'
- UNITS:
- PAIR
$51.95 -
JAMES GASKET Primary Gasket - .062" 60540-65-A
JAMES GASKET
$66.36JAMES GASKET Primary Gasket .062" 60540-65-ATop quality gaskets, seals and o-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.9340727- SKU:
- 9340727
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
- MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- TYPE:
- COVER
- FEATURES:
- BEADED
- PRODUCT NAME:
- GASKET
- MATERIAL:
- SILICONE
- STYLE:
- PRIMARY
- THICKNESS IMPERIAL:
- 0,062'
- THICKNESS METRIC:
- 1.60 MM
- UNITS:
- 5 PACK
$66.36 -
JAMES GASKET Crankcase Saver Kit - Big Twin 11125-XMS
JAMES GASKET
$51.95JAMES GASKET Crankcase Saver Kit Big Twin 11125-XMSKit used when O-ring ridge is broken or bent9341183- SKU:
- 9341183
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- CRANKCASE SAVER
- UNITS:
- KIT
$51.95
