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
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- Quantity
- Price
- Subtotal
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On Sale
CYLINDER WORKS Cylinder - Standard 60002
CYLINDER WORKS
MSRP: $465.95Now: $427.46Was: $474.95CYLINDER WORKS Cylinder Standard 60002Ready-to-install, direct bolt-on cylinder requires no re-plating and looks virtually identical to the OEM cylinders, Nickel silicon carbide-plated for long life, Made in the U.S.A.9310604- SKU:
- 9310604
- Availability:
- Ships Same Business Day
- Weight:
- 7.85 LBS
- CYLINDER DIAMETER:
- 80,00 MM
- RIDING STYLE:
- UTV
- STYLE:
- STANDARD
- ENGINE TYPE:
- 4-CYCLE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- CYLINDER DIAMETER METRIC:
- 80.00 MM
- PRODUCT NAME:
- CYLINDER
MSRP: $465.95Now: $427.46Was: $474.95 -
On Sale
CYLINDER WORKS Cylinder - Standard 60003
CYLINDER WORKS
MSRP: $551.95Now: $506.66Was: $562.95CYLINDER WORKS Cylinder Standard 60003Ready-to-install, direct bolt-on cylinder requires no re-plating and looks virtually identical to the OEM cylinders, Nickel silicon carbide-plated for long life, Made in the U.S.A.9310605- SKU:
- 9310605
- Availability:
- Ships Same Business Day
- Weight:
- 7.05 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- OVERBORE METRIC:
- STANDARD
- RIDING STYLE:
- UTV
- STYLE:
- STANDARD
- CYLINDER DIAMETER:
- 93,00 MM
- PRODUCT NAME:
- CYLINDER
- UNITS:
- EACH
- CYLINDER DIAMETER METRIC:
- 93.00 MM
- DISPLACEMENT:
- 999 CC
- ENGINE TYPE:
- 4-CYCLE
MSRP: $551.95Now: $506.66Was: $562.95Qty in Cart: 0Quantity:Price:MSRP: $551.95Now: $506.66Was: $562.95Subtotal: -
On Sale
CYLINDER WORKS Front Cylinder Kit - Standard Bore 30007-K02
CYLINDER WORKS
MSRP: $569.95Now: $520.16Was: $577.95CYLINDER WORKS Front Cylinder Kit Standard Bore 30007-K02Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and...9310609- SKU:
- 9310609
- Availability:
- Ships Same Business Day
- Weight:
- 5.05 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.3:1
- CYLINDER DIAMETER:
- 85,00 MM
- CYLINDER DIAMETER METRIC:
- 85.00 MM
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- STYLE:
- STANDARD
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- DISPLACEMENT:
- 749 CC
- PRODUCT NAME:
- FRONT CYLINDER KIT
MSRP: $569.95Now: $520.16Was: $577.95 -
On Sale
CYLINDER WORKS Rear Cylinder Kit - Standard Bore 30008-K02
CYLINDER WORKS
MSRP: $569.95Now: $520.16Was: $577.95CYLINDER WORKS Rear Cylinder Kit Standard Bore 30008-K02Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and...9310611- SKU:
- 9310611
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.3:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 85.00 MM
- PRODUCT NAME:
- REAR CYLINDER KIT
- UNITS:
- KIT
- CYLINDER DIAMETER:
- 85,00 MM
- DISPLACEMENT:
- 749 CC
- RIDING STYLE:
- ATV
- ENGINE TYPE:
- 4-CYCLE
- STYLE:
- STANDARD
MSRP: $569.95Now: $520.16Was: $577.95 -
On Sale
CYLINDER WORKS Cylinder Kit - High Compression 60002-K02HC
CYLINDER WORKS
MSRP: $938.95Now: $862.16Was: $957.95CYLINDER WORKS Cylinder Kit High Compression 60002-K02HCReady-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and...9310617- SKU:
- 9310617
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
- CYLINDER DIAMETER:
- 80,00 MM
- RIDING STYLE:
- UTV
- STYLE:
- HIGH COMPRESSION
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER DIAMETER METRIC:
- 80.00 MM
- DISPLACEMENT:
- 769 CC
- RIDING STYLE:
- ATV
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- PRODUCT NAME:
- CYLINDER KIT
- UNITS:
- KIT
MSRP: $938.95Now: $862.16Was: $957.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard Bore 60003-K02
CYLINDER WORKS
MSRP: $995.95Now: $896.36Was: $995.95CYLINDER WORKS Cylinder Kit Standard Bore 60003-K02Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and...9310618- SKU:
- 9310618
- Availability:
- Ships Same Business Day
- Weight:
- 9.85 LBS
- CYLINDER DIAMETER:
- 93,00 MM
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 93.00 MM
- DISPLACEMENT:
- 999 CC
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- STYLE:
- STANDARD
MSRP: $995.95Now: $896.36Was: $995.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Big Bore 31006-K01
CYLINDER WORKS
MSRP: $649.95Now: $594.86Was: $660.95CYLINDER WORKS Cylinder Kit Big Bore 31006-K01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...9310424- SKU:
- 9310424
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 80,00 MM
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER DIAMETER METRIC:
- 80.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- DISPLACEMENT:
- 269 CC
- OVERBORE METRIC:
- +3.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- BIG BORE
- UNITS:
- KIT
MSRP: $649.95Now: $594.86Was: $660.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Big Bore 23001-K01
CYLINDER WORKS
MSRP: $716.95Now: $657.86Was: $730.95CYLINDER WORKS Cylinder Kit Big Bore 23001-K01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...9310425- SKU:
- 9310425
- Availability:
- Ships Same Business Day
- Weight:
- 4.57 LBS
- CYLINDER DIAMETER:
- 105,00 MM
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- RIDING STYLE:
- ATV
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 105.00 MM
- OVERBORE METRIC:
- +3.00 MM
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 9.2:1
MSRP: $716.95Now: $657.86Was: $730.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Big Bore 23001-K02
CYLINDER WORKS
MSRP: $716.95Now: $657.86Was: $730.95CYLINDER WORKS Cylinder Kit Big Bore 23001-K02Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...9310426- SKU:
- 9310426
- Availability:
- Ships Same Business Day
- Weight:
- 4.60 LBS
- CYLINDER DIAMETER METRIC:
- 98.00 MM
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- DISPLACEMENT:
- 478 CC
- RIDING STYLE:
- OFF-ROAD
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 98,00 MM
- OVERBORE METRIC:
- +3.00 MM
- UNITS:
- KIT
MSRP: $716.95Now: $657.86Was: $730.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Big Bore 11006-K02
CYLINDER WORKS
MSRP: $726.95Now: $666.86Was: $740.95CYLINDER WORKS Cylinder Kit Big Bore 11006-K02Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...9310488- SKU:
- 9310488
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 99,00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER DIAMETER METRIC:
- 99.00 MM
- DISPLACEMENT:
- 478 CC
- OVERBORE METRIC:
- +3.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- BIG BORE
- UNITS:
- KIT
MSRP: $726.95Now: $666.86Was: $740.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard 10006-K02
CYLINDER WORKS
MSRP: $589.95Now: $540.86Was: $600.95CYLINDER WORKS Cylinder Kit Standard 10006-K02Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...9310489- SKU:
- 9310489
- Availability:
- Ships Same Business Day
- Weight:
- 4.45 LBS
- DISPLACEMENT:
- 449 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 96,00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- STANDARD
MSRP: $589.95Now: $540.86Was: $600.95 -
On Sale
CYLINDER WORKS Cylinder - Standard 10002
CYLINDER WORKS
MSRP: $329.95Now: $303.26Was: $336.95CYLINDER WORKS Cylinder Standard 10002Ready-to-install, direct bolt-on cylinder requires no re-plating and looks virtually identical to the OEM cylinders, Nickel silicon carbide-plated for long life, Made in the U.S.A.9310129- SKU:
- 9310129
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- DISPLACEMENT:
- 449 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER
- COMPRESSION RATIO IMPERIAL:
- 12.1:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- UNITS:
- EACH
- CYLINDER DIAMETER:
- 96,00 MM
- RIDING STYLE:
- OFF-ROAD
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- OVERBORE METRIC:
- STANDARD
- STYLE:
- STANDARD
MSRP: $329.95Now: $303.26Was: $336.95 -
On Sale
CYLINDER WORKS Cylinder - Standard 20002
CYLINDER WORKS
MSRP: $325.95Now: $298.76Was: $331.95CYLINDER WORKS Cylinder Standard 20002Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Nickel Silicon Carbide plated for long life, Big bore cylinders do not require machine work, Made in...9310131- SKU:
- 9310131
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- BORE SIZE METRIC:
- 77.00 MM
- STYLE:
- STANDARD
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- UNITS:
- EACH
- CYLINDER DIAMETER:
- 77,00 MM
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
MSRP: $325.95Now: $298.76Was: $331.95 -
On Sale
CYLINDER WORKS Cylinder Big Bore Kit 11003-K01
CYLINDER WORKS
MSRP: $663.95Now: $609.26Was: $676.95CYLINDER WORKS Cylinder Big Bore Kit 11003-K01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...9310133- SKU:
- 9310133
- Availability:
- Ships Same Business Day
- Weight:
- 4.47 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 97.00 MM
- OVERBORE METRIC:
- +3.00 MM
- ENGINE TYPE:
- 4-CYCLE
- RIDING STYLE:
- ATV
- CYLINDER DIAMETER:
- 97,00 MM
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- DISPLACEMENT:
- 479 CC
- UNITS:
- KIT
MSRP: $663.95Now: $609.26Was: $676.95 -
On Sale
CYLINDER WORKS Cylinder Kit - High Compression 20003-K01HC
CYLINDER WORKS
MSRP: $646.95Now: $593.96Was: $659.95CYLINDER WORKS Cylinder Kit High Compression 20003-K01HCReady-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and...9310299- SKU:
- 9310299
- Availability:
- Ships Same Business Day
- Weight:
- 4.38 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER DIAMETER METRIC:
- 95.00 MM
- DISPLACEMENT:
- 449 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- UNITS:
- KIT
- CYLINDER DIAMETER:
- 95,00 MM
- STYLE:
- HIGH COMPRESSION
MSRP: $646.95Now: $593.96Was: $659.95 -
On Sale
CYLINDER WORKS Cylinder Kit - High Compression 40002-K01HC
CYLINDER WORKS
MSRP: $609.95Now: $559.76Was: $621.95CYLINDER WORKS Cylinder Kit High Compression 40002-K01HCReady-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and...9310303- SKU:
- 9310303
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- DISPLACEMENT:
- 449 CC
- ENGINE TYPE:
- 4-CYCLE
- STYLE:
- HIGH COMPRESSION
- CYLINDER DIAMETER:
- 95,50 MM
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 95.50 MM
- PRODUCT NAME:
- CYLINDER KIT
MSRP: $609.95Now: $559.76Was: $621.95 -
On Sale
CYLINDER WORKS Cylinder Big Bore Kit 21002-K01
CYLINDER WORKS
MSRP: $685.95Now: $629.96Was: $699.95CYLINDER WORKS Cylinder Big Bore Kit 21002-K01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...9310121- SKU:
- 9310121
- Availability:
- Ships Same Business Day
- Weight:
- 3.37 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- DISPLACEMENT:
- 269 CC
- OVERBORE METRIC:
- +3.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 80.00 MM
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- CYLINDER DIAMETER:
- 80,00 MM
MSRP: $685.95Now: $629.96Was: $699.95 -
On Sale
CYLINDER WORKS Cylinder - Standard 30001
CYLINDER WORKS
MSRP: $335.95Now: $308.66Was: $342.95CYLINDER WORKS Cylinder Standard 30001Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Nickel Silicon Carbide plated for long life, Big bore cylinders do not require machine work, Made in...9310130- SKU:
- 9310130
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- RIDING STYLE:
- OFF-ROAD
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- STYLE:
- STANDARD
- CYLINDER DIAMETER:
- 77,00 MM
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER
- BORE SIZE METRIC:
- 77.00 MM
- UNITS:
- EACH
MSRP: $335.95Now: $308.66Was: $342.95 -
On Sale
CYLINDER WORKS Cylinder - Standard 20001
CYLINDER WORKS
MSRP: $335.95Now: $308.66Was: $342.95CYLINDER WORKS Cylinder Standard 20001Ready-to-install, direct bolt-on cylinder requires no re-plating and looks virtually identical to the OEM cylinders, Nickel silicon carbide-plated for long life, Made in the U.S.A.9310132- SKU:
- 9310132
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- CYLINDER DIAMETER:
- 95,00 MM
- OVERBORE METRIC:
- STANDARD
- STYLE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- DISPLACEMENT:
- 449 CC
- PRODUCT NAME:
- CYLINDER
- CYLINDER DIAMETER METRIC:
- 95.00 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- ENGINE TYPE:
- 4-CYCLE
MSRP: $335.95Now: $308.66Was: $342.95 -
On Sale
CYLINDER WORKS Cylinder Big Bore Kit 41001-K01
CYLINDER WORKS
MSRP: $686.95Now: $630.86Was: $700.95CYLINDER WORKS Cylinder Big Bore Kit 41001-K01Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced...9310135- SKU:
- 9310135
- Availability:
- Ships Same Business Day
- Weight:
- 4.44 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.3:1
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STYLE:
- BIG BORE
- CYLINDER DIAMETER:
- 94,00 MM
- DISPLACEMENT:
- 434 CC
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- OVERBORE METRIC:
- +4.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 94.00 MM
- RIDING STYLE:
- ATV
MSRP: $686.95Now: $630.86Was: $700.95
