Dirt Bike Engine
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts.
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CYLINDER WORKS Cylinder Kit - Big Bore CW51008K01
CYLINDER WORKS
$885.95CYLINDER WORKS Cylinder Kit Big Bore CW51008K01Ready-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...09310967- SKU:
- 09310967
- Availability:
- Ships Same Business Day
- Weight:
- 4.60 LBS
- OVERBORE IMPERIAL:
- +2.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.0:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 90,00 MM
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- BIG BORE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 90.00 MM
- DISPLACEMENT:
- 366 CC
- ENGINE TYPE:
- 4-CYCLE
- RIDING STYLE:
- STREET
$885.95 -
CYLINDER WORKS Cylinder - Standard 10008
CYLINDER WORKS
$390.95CYLINDER WORKS Cylinder Standard 10008Ready-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.09311013- SKU:
- 09311013
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- ENGINE TYPE:
- 4-CYCLE
- STYLE:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- CYLINDER DIAMETER:
- 96,00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CYLINDER
$390.95 -
CYLINDER WORKS Cylinder - Standard 50005
CYLINDER WORKS
$584.95CYLINDER WORKS Cylinder Standard 50005Ready-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.09311015- SKU:
- 09311015
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- ENGINE TYPE:
- 2-CYCLE
- STYLE:
- STANDARD
- CYLINDER DIAMETER:
- 45,00 MM
- CYLINDER DIAMETER METRIC:
- 45.00 MM
- UNITS:
- EACH
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
$584.95 -
CYLINDER WORKS Cylinder Head Kit - Standard Bore CH3001-K01
CYLINDER WORKS
$637.95CYLINDER WORKS Cylinder Head Kit Standard Bore CH3001-K01New replacement cylinder head, Include cam caps and cam cap bolts, Include C630 (nickel/aluminum/bronze) valve seats and guides, Competition valve job, Shortened valve guides to accept higher lift...09311018- SKU:
- 09311018
- Availability:
- Ships Same Business Day
- Weight:
- 5.50 LBS
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$637.95 -
CYLINDER WORKS Cylinder Head Kit - Standard Bore CH3002-K01
CYLINDER WORKS
$634.95CYLINDER WORKS Cylinder Head Kit Standard Bore CH3002-K01New replacement cylinder head, Include cam caps and cam cap bolts, Include C630 (nickel/aluminum/bronze) valve seats and guides, Competition valve job, Shortened valve guides to accept higher lift...09311019- SKU:
- 09311019
- Availability:
- Ships Same Business Day
- Weight:
- 5.45 LBS
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- STANDARD
- UNITS:
- KIT
$634.95 -
CYLINDER WORKS Cylinder - Standard CW20014
CYLINDER WORKS
$390.95CYLINDER WORKS Cylinder Standard CW20014Ready-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.09311020- SKU:
- 09311020
- Availability:
- Ships Same Business Day
- Weight:
- 3.55 LBS
- CYLINDER DIAMETER METRIC:
- 97.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CYLINDER
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER DIAMETER:
- 97,00 MM
- STYLE:
- STANDARD
$390.95 -
CYLINDER WORKS Cylinder - Standard 50004
CYLINDER WORKS
$487.95CYLINDER WORKS Cylinder Standard 50004Ready-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...09310492- SKU:
- 09310492
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- STANDARD
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER
- BORE SIZE METRIC:
- 77.95 MM
- CYLINDER DIAMETER:
- 78,00 MM
- CYLINDER DIAMETER METRIC:
- 78.00 MM
- UNITS:
- EACH
$487.95 -
CYLINDER WORKS Cylinder - Standard - YZ450F 20005
CYLINDER WORKS
$506.95CYLINDER WORKS Cylinder Standard YZ450F 20005Ready-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,...09310396- SKU:
- 09310396
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- BORE SIZE METRIC:
- 97.00 MM
- CYLINDER DIAMETER:
- 97,00 MM
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 97.00 MM
- UNITS:
- EACH
$506.95 -
CYLINDER WORKS Cylinder - Standard - KX250F - 2009 30004
CYLINDER WORKS
$390.95CYLINDER WORKS Cylinder Standard KX250F 2009 30004Ready-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...09310398- SKU:
- 09310398
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE SIZE METRIC:
- 77.00 MM
- CYLINDER DIAMETER:
- 77,00 MM
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- STYLE:
- STANDARD
$390.95 -
CYLINDER WORKS Cylinder - Standard - KX250F 2010 30005
CYLINDER WORKS
$402.95CYLINDER WORKS Cylinder Standard KX250F 2010 30005Ready-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...09310399- SKU:
- 09310399
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.2:1
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- STYLE:
- STANDARD
- BORE SIZE METRIC:
- 77.00 MM
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 77,00 MM
- PRODUCT NAME:
- CYLINDER
$402.95 -
CYLINDER WORKS Cylinder - Standard - KX250F - 2011-2012 30006
CYLINDER WORKS
$390.95CYLINDER WORKS Cylinder Standard KX250F 2011-2012 30006Ready-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...09310400- SKU:
- 09310400
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- STYLE:
- STANDARD
- BORE SIZE METRIC:
- 77.00 MM
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- UNITS:
- EACH
- CYLINDER DIAMETER:
- 77,00 MM
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
$390.95 -
CYLINDER WORKS Cylinder - Standard - KTM350 SX-F 50001
CYLINDER WORKS
$487.95CYLINDER WORKS Cylinder Standard KTM350 SX-F 50001Ready-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...09310403- SKU:
- 09310403
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- BORE SIZE METRIC:
- 88.00 MM
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- STANDARD
$487.95 -
CYLINDER WORKS Cylinder - Standard - KTM250 50002
CYLINDER WORKS
$487.95CYLINDER WORKS Cylinder Standard KTM250 50002Ready-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,...09310404- SKU:
- 09310404
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- CYLINDER DIAMETER:
- 76,00 MM
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER
- BORE SIZE METRIC:
- 76.00 MM
- CYLINDER DIAMETER METRIC:
- 76.00 MM
- STYLE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$487.95 -
CYLINDER WORKS Cylinder Kit - Standard Bore 50002-K01
CYLINDER WORKS
$829.95CYLINDER WORKS Cylinder Kit Standard Bore 50002-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...09310408- SKU:
- 09310408
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- CYLINDER DIAMETER METRIC:
- 76.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER DIAMETER:
- 76,00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- STYLE:
- STANDARD
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
$829.95 -
CYLINDER WORKS Cylinder Kit - Standard 10008-K01
CYLINDER WORKS
$615.95CYLINDER WORKS Cylinder Kit Standard 10008-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...09310274- SKU:
- 09310274
- Availability:
- Ships Same Business Day
- Weight:
- 4.65 LBS
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- DISPLACEMENT:
- 449 CC
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 96,00 MM
- STYLE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.1:1
- ENGINE TYPE:
- 4-CYCLE
$615.95 -
CYLINDER WORKS Cylinder Kit - Standard 20002-K02
CYLINDER WORKS
$669.95CYLINDER WORKS Cylinder Kit Standard 20002-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...09310279- SKU:
- 09310279
- Availability:
- Ships Same Business Day
- Weight:
- 3.95 LBS
- CYLINDER DIAMETER:
- 77,00 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- STYLE:
- STANDARD
$669.95 -
CYLINDER WORKS Cylinder Kit - Standard 20001-K02
CYLINDER WORKS
$694.95CYLINDER WORKS Cylinder Kit Standard 20001-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...09310280- SKU:
- 09310280
- Availability:
- Ships Same Business Day
- Weight:
- 4.33 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 95.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER DIAMETER:
- 95,00 MM
- DISPLACEMENT:
- 449 CC
- ENGINE TYPE:
- 4-CYCLE
- STYLE:
- STANDARD
$694.95 -
CYLINDER WORKS Cylinder Kit - High Compression 10002-K01HC
CYLINDER WORKS
$652.95CYLINDER WORKS Cylinder Kit High Compression 10002-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...09310291- SKU:
- 09310291
- Availability:
- Ships Same Business Day
- Weight:
- 4.80 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 96,00 MM
- UNITS:
- KIT
- STYLE:
- HIGH COMPRESSION
- DISPLACEMENT:
- 449 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- RIDING STYLE:
- OFF-ROAD
$652.95 -
CYLINDER WORKS Cylinder Kit - High Compression 30004-K01HC
CYLINDER WORKS
$591.95CYLINDER WORKS Cylinder Kit High Compression 30004-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...09310295- SKU:
- 09310295
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- STYLE:
- HIGH COMPRESSION
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- COMPRESSION RATIO IMPERIAL:
- 13.9:1
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- RIDING STYLE:
- OFF-ROAD
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 77,00 MM
- PRODUCT NAME:
- CYLINDER KIT
- UNITS:
- KIT
$591.95Qty in Cart: 0Quantity:Price:$591.95Subtotal: -
CYLINDER WORKS Cylinder Kit - High Compression 20002-K01HC
CYLINDER WORKS
$694.95CYLINDER WORKS Cylinder Kit High Compression 20002-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...09310296- SKU:
- 09310296
- Availability:
- Ships Same Business Day
- Weight:
- 3.33 LBS
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- HIGH COMPRESSION
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 77,00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 77.00 MM
$694.95
