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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COMETIC Exhaust Gasket EX243
COMETIC
$3.95COMETIC Exhaust Gasket EX243Gasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket providing...9344527- SKU:
- 9344527
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$3.95Qty in Cart: 0Quantity:Price:$3.95Subtotal: -
COMETIC Exhaust Gasket EX361
COMETIC
$7.95COMETIC Exhaust Gasket EX361Gasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket providing...9344534- SKU:
- 9344534
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 101.00 MM
- TYPE:
- EXHAUST
- UNITS:
- SET
$7.95 -
COMETIC Exhaust Gasket EX456010S
COMETIC
$7.95COMETIC Exhaust Gasket EX456010SGasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket...9344538- SKU:
- 9344538
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
- BORE SIZE METRIC:
- 68.50 MM
- MODEL:
- HI-PERFORMANCE
- TYPE:
- EXHAUST
- PRODUCT NAME:
- GASKET
$7.95Qty in Cart: 0Quantity:Price:$7.95Subtotal: -
COMETIC Exhaust Gasket - Yamaha EX641
COMETIC
$13.95COMETIC Exhaust Gasket Yamaha EX641Gasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket...9344541- SKU:
- 9344541
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BORE SIZE METRIC:
- 100.00 MM
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- HI-PERFORMANCE
- TYPE:
- EXHAUST
- PRODUCT NAME:
- GASKET
$13.95 -
COMETIC Exhaust Gasket EX651
COMETIC
$11.95COMETIC Exhaust Gasket EX651Gasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket providing...9344544- SKU:
- 9344544
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET
- MODEL:
- HI-PERFORMANCE
- TYPE:
- EXHAUST
- UNITS:
- SET
$11.95Qty in Cart: 0Quantity:Price:$11.95Subtotal: -
COMETIC Exhaust Gasket EX657
COMETIC
$11.95COMETIC Exhaust Gasket EX657Gasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket providing...9344545- SKU:
- 9344545
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ATV
- TYPE:
- EXHAUST
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET
- BORE SIZE METRIC:
- 99.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
$11.95 -
COMETIC Exhaust Gasket - Honda EX690064AM
COMETIC
$4.95COMETIC Exhaust Gasket Honda EX690064AMGasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket...9344546- SKU:
- 9344546
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BORE SIZE METRIC:
- 39.00 MM
- RIDING STYLE:
- ATV
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET
- THICKNESS METRIC:
- 1.63 MM
- TYPE:
- EXHAUST
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0,064'
$4.95 -
COMETIC Exhaust Gasket - Kawasaki EX693064AM
COMETIC
$4.95COMETIC Exhaust Gasket Kawasaki EX693064AMGasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel...9344549- SKU:
- 9344549
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- 0,064'
- PRODUCT NAME:
- GASKET
- THICKNESS METRIC:
- 1.63 MM
- BORE SIZE IMPERIAL:
- 3.858'
- MODEL:
- HI-PERFORMANCE
- TYPE:
- EXHAUST
- UNITS:
- SET
$4.95 -
COMETIC Exhaust Gasket EX817
COMETIC
$13.95COMETIC Exhaust Gasket EX817Gasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket providing...9344554- SKU:
- 9344554
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- EXHAUST
- UNITS:
- SET
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET
- BORE SIZE METRIC:
- 90.00 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$13.95 -
COMETIC Exhaust Gasket - Suzuki EX877
COMETIC
$8.95COMETIC Exhaust Gasket Suzuki EX877Gasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket...9344556- SKU:
- 9344556
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BORE SIZE METRIC:
- 101.00 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET
- MODEL:
- HI-PERFORMANCE
- TYPE:
- EXHAUST
- UNITS:
- SET
$8.95 -
COMETIC Valve Cover Gasket - Honda VC032010S
COMETIC
$39.95COMETIC Valve Cover Gasket Honda VC032010SValve cover gaskets are made from application specific materials to ensure longevity and correct fitment for a leak free seal, Provides quality, high-tech sealing solutions at a cost less than the OEMs, Made from...9344566- SKU:
- 9344566
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE COVER
- MODEL:
- HI-PERFORMANCE
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
$39.95 -
COMETIC Valve Cover Gasket - Yamaha VC104
COMETIC
$24.95COMETIC Valve Cover Gasket Yamaha VC104Valve cover gaskets are made from application specific materials to ensure longevity and correct fitment for a leak free seal, Provides quality, high-tech sealing solutions at a cost less than the OEMs, Made from...9344571- SKU:
- 9344571
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
COMETIC Top End Gasket Set C3222
COMETIC
$51.95COMETIC Top End Gasket Set C3222Top end gasket kits include correct base, head gasket and cylinder O-rings as well as other top end specific O-rings or seals needed for R&R of top end, MLS head gaskets promote an even torque load across the gasket...9342398- SKU:
- 9342398
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BORE SIZE METRIC:
- 76.00 MM
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$51.95Qty in Cart: 0Quantity:Price:$51.95Subtotal: -
COMETIC Bottom End Gasket Set - Honda C3047BE
COMETIC
$114.95COMETIC Bottom End Gasket Set Honda C3047BEBottom end gasket kits include correct oil seals, O-rings, drain plug washers and water pump cover gaskets as needed, Materials will vary depending on what is correct and engineered for specified application,...9344079- SKU:
- 9344079
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- BOTTOM END
- BORE SIZE METRIC:
- 99.00 MM
- MODEL:
- HI-PERFORMANCE
- UNITS:
- KIT
$114.95 -
COMETIC Bottom End Gasket Set - Gas Gas C3310
COMETIC
$64.95COMETIC Bottom End Gasket Set Gas Gas C3310Bottom end gasket kits include correct oil seals, O-rings, drain plug washers and water pump cover gaskets as needed, Materials will vary depending on what is correct and engineered for specified application,...9344140- SKU:
- 9344140
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- BOTTOM END
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- HI-PERFORMANCE
- UNITS:
- KIT
$64.95 -
COMETIC Exhaust Gasket C7080EX
COMETIC
$10.95COMETIC Exhaust Gasket C7080EXGasket material and construction will vary by application to ensure longevity with leak free performance under all conditions, 4-stroke applications utilize a double-sided Viton® rubber-coated stainless steel gasket...9344227- SKU:
- 9344227
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET
- BORE SIZE METRIC:
- 54.00 MM
- MODEL:
- HI-PERFORMANCE
- TYPE:
- EXHAUST
- UNITS:
- SET
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
COMETIC Stator Gasket - Kawasaki EC1339032AFM
COMETIC
$16.95COMETIC Stator Gasket Kawasaki EC1339032AFMStator cover gaskets are made from an AFM Material which is a chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core, Save service time as AFM will not stick to the engine case making...9344392- SKU:
- 9344392
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET
- TYPE:
- STATOR COVER
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- UNITS:
- EACH
$16.95 -
HOT CAMS Valve Shim - 10.0 x 2.25 - 5 pack 5PK1000225
HOT CAMS
$9.35HOT CAMS Valve Shim 10.0 x 2.25 5 pack 5PK1000225Replacement packs of shims to refill Valve Shim Kits9261282- SKU:
- 9261282
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- TYPE:
- VALVE
- PRODUCT NAME:
- SHIM
- UNITS:
- 5 PACK
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- VALVE SHIM THICKNESS METRIC:
- 2.25 MM
$9.35 -
HOT CAMS Valve Shim - 10.0 x 2.30 - 5 pack 5PK1000230
HOT CAMS
$9.35HOT CAMS Valve Shim 10.0 x 2.30 5 pack 5PK1000230Replacement packs of shims to refill Valve Shim Kits9261283- SKU:
- 9261283
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
- PRODUCT NAME:
- SHIM
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$9.35 -
HOT CAMS Valve Shim - 10.0 x 2.80 - 5 pack 5PK1000280
HOT CAMS
$9.35HOT CAMS Valve Shim 10.0 x 2.80 5 pack 5PK1000280Replacement packs of shims to refill Valve Shim Kits9261293- SKU:
- 9261293
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SHIM
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.80 MM
- OUTSIDE DIAMETER METRIC:
- 10.00 MM
$9.35Qty in Cart: 0Quantity:Price:$9.35Subtotal:
