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 - Standard Bore 20010-K01
CYLINDER WORKS
$614.95CYLINDER WORKS Cylinder Kit Standard Bore 20010-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...09310588- SKU:
- 09310588
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- STYLE:
- STANDARD
- CYLINDER DIAMETER:
- 77,00 MM
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$614.95 -
CYLINDER WORKS Cylinder Kit - Big Bore 21005-K02
CYLINDER WORKS
$738.95CYLINDER WORKS Cylinder Kit Big Bore 21005-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...09310590- SKU:
- 09310590
- Availability:
- Ships Same Business Day
- Weight:
- 4.40 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- CYLINDER DIAMETER METRIC:
- 99.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- DISPLACEMENT:
- 468 CC
- ENGINE TYPE:
- 4-CYCLE
- OVERBORE METRIC:
- +2.00 MM
- CYLINDER DIAMETER:
- 99,00 MM
$738.95 -
CYLINDER WORKS Cylinder Kit - Big Bore 21010-K01
CYLINDER WORKS
$858.95CYLINDER WORKS Cylinder Kit Big Bore 21010-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...09310591- SKU:
- 09310591
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- DISPLACEMENT:
- 269 CC
- OVERBORE METRIC:
- +3.00 MM
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 80.00 MM
- RIDING STYLE:
- OFF-ROAD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- CYLINDER DIAMETER:
- 80,00 MM
$858.95 -
CYLINDER WORKS Cylinder Kit - Standard Bore 30009-K01
CYLINDER WORKS
$570.95CYLINDER WORKS Cylinder Kit Standard Bore 30009-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...09310594- SKU:
- 09310594
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- DISPLACEMENT:
- 85 CC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER DIAMETER:
- 48,50 MM
- CYLINDER DIAMETER METRIC:
- 48.50 MM
- ENGINE TYPE:
- 2-CYCLE
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- STANDARD
$570.95Qty in Cart: 0Quantity:Price:$570.95Subtotal: -
CYLINDER WORKS Cylinder Kit - Standard Bore 30011-K02
CYLINDER WORKS
$569.95CYLINDER WORKS Cylinder Kit Standard Bore 30011-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...09310598- SKU:
- 09310598
- Availability:
- Ships Same Business Day
- Weight:
- 4.15 LBS
- STYLE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 96,00 MM
- DISPLACEMENT:
- 449 CC
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$569.95Qty in Cart: 0Quantity:Price:$569.95Subtotal: -
CYLINDER WORKS Cylinder - Standard 60002
CYLINDER WORKS
$465.95CYLINDER 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.09310604- SKU:
- 09310604
- 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
$465.95 -
CYLINDER WORKS Cylinder - Standard 60003
CYLINDER WORKS
$551.95CYLINDER 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.09310605- SKU:
- 09310605
- 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
$551.95 -
CYLINDER WORKS Front Cylinder Kit - Standard Bore 30007-K02
CYLINDER WORKS
$569.95CYLINDER 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...09310609- SKU:
- 09310609
- 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
$569.95 -
CYLINDER WORKS Rear Cylinder Kit - Standard Bore 30008-K02
CYLINDER WORKS
$569.95CYLINDER 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...09310611- SKU:
- 09310611
- 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
$569.95 -
CYLINDER WORKS Cylinder Kit - High Compression 60002-K02HC
CYLINDER WORKS
$938.95CYLINDER 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...09310617- SKU:
- 09310617
- 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
$938.95 -
CYLINDER WORKS Cylinder Kit - Standard Bore 60003-K02
CYLINDER WORKS
$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...09310618- SKU:
- 09310618
- 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
$995.95Qty in Cart: 0Quantity:Price:$995.95Subtotal: -
CYLINDER WORKS Cylinder Kit - Big Bore 31006-K01
CYLINDER WORKS
$649.95CYLINDER 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...09310424- SKU:
- 09310424
- 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
$649.95 -
CYLINDER WORKS Cylinder Kit - Big Bore 23001-K01
CYLINDER WORKS
$716.95CYLINDER 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...09310425- SKU:
- 09310425
- 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
$716.95 -
CYLINDER WORKS Cylinder Kit - Big Bore 23001-K02
CYLINDER WORKS
$716.95CYLINDER 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...09310426- SKU:
- 09310426
- 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
$716.95 -
CYLINDER WORKS Cylinder Kit - Big Bore 11006-K02
CYLINDER WORKS
$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...09310488- SKU:
- 09310488
- 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
$740.95Qty in Cart: 0Quantity:Price:$740.95Subtotal: -
CYLINDER WORKS Cylinder Kit - Standard 10006-K02
CYLINDER WORKS
$589.95CYLINDER 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...09310489- SKU:
- 09310489
- 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
$589.95 -
CYLINDER WORKS Cylinder - Standard 10002
CYLINDER WORKS
$329.95CYLINDER 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.09310129- SKU:
- 09310129
- 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
$329.95 -
CYLINDER WORKS Cylinder - Standard 20002
CYLINDER WORKS
$325.95CYLINDER 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...09310131- SKU:
- 09310131
- 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
$325.95 -
CYLINDER WORKS Cylinder Big Bore Kit 11003-K01
CYLINDER WORKS
$663.95CYLINDER 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...09310133- SKU:
- 09310133
- 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
$663.95 -
CYLINDER WORKS Cylinder Kit - High Compression 20003-K01HC
CYLINDER WORKS
$646.95CYLINDER 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...09310299- SKU:
- 09310299
- 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
$646.95
