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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On Sale
CYLINDER WORKS Cylinder Kit - Big Bore - High Compression CW10011K01HC
CYLINDER WORKS
MSRP: $544.95Now: $500.36Was: $559.95CYLINDER WORKS Cylinder Kit Big Bore High Compression CW10011K01HCReady-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,...09310846- SKU:
- 09310846
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- STYLE:
- BIG BORE
- CYLINDER DIAMETER METRIC:
- 79.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 14.6:1
- CYLINDER DIAMETER:
- 79,00 MM
MSRP: $544.95Now: $500.36Was: $559.95Qty in Cart: 0Quantity:Price:MSRP: $544.95Now: $500.36Was: $559.95Subtotal: -
On Sale
CYLINDER WORKS Cylinder Kit - Big Bore - Honda CW11011K01
CYLINDER WORKS
MSRP: $645.95Now: $593.06Was: $663.95CYLINDER WORKS Cylinder Kit Big Bore Honda CW11011K01Ready-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...09310847- SKU:
- 09310847
- Availability:
- Ships Same Business Day
- Weight:
- 3.15 LBS
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- DISPLACEMENT:
- 270 CC
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 82,00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 13.9:1
- CYLINDER DIAMETER METRIC:
- 82.00 MM
MSRP: $645.95Now: $593.06Was: $663.95 -
On Sale
CYLINDER WORKS Cylinder - Standard - Yamaha CW20012
CYLINDER WORKS
MSRP: $377.95Now: $347.36Was: $388.95CYLINDER WORKS Cylinder Standard Yamaha CW20012Ready-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.09310848- SKU:
- 09310848
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- PRODUCT NAME:
- CYLINDER
- ENGINE TYPE:
- 4-STROKE
- UNITS:
- EACH
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- STANDARD
MSRP: $377.95Now: $347.36Was: $388.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard - Yamaha CW20012K01
CYLINDER WORKS
MSRP: $646.95Now: $593.96Was: $664.95CYLINDER WORKS Cylinder Kit Standard Yamaha CW20012K01Ready-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...09310849- SKU:
- 09310849
- Availability:
- Ships Same Business Day
- Weight:
- 4.55 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- CYLINDER DIAMETER:
- 97,00 MM
- DISPLACEMENT:
- 449 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 97.00 MM
- STYLE:
- STANDARD
- UNITS:
- KIT
MSRP: $646.95Now: $593.96Was: $664.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Big Bore - High Compression CW20012K01HC
CYLINDER WORKS
MSRP: $657.95Now: $603.86Was: $675.95CYLINDER WORKS Cylinder Kit Big Bore High Compression CW20012K01HCReady-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,...09310850- SKU:
- 09310850
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.8:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- DISPLACEMENT:
- 449 CC
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- BIG BORE
- UNITS:
- KIT
- CYLINDER DIAMETER:
- 97,00 MM
- CYLINDER DIAMETER METRIC:
- 97.00 MM
- ENGINE TYPE:
- 4-CYCLE
MSRP: $657.95Now: $603.86Was: $675.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Big Bore CW21012K01
CYLINDER WORKS
Now: $746.42Was: $835.95CYLINDER WORKS Cylinder Kit Big Bore CW21012K01Ready-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...09310851- SKU:
- 09310851
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- STYLE:
- BIG BORE
- CYLINDER DIAMETER METRIC:
- 99.00 MM
- DISPLACEMENT:
- 470 CC
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 99,00 MM
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
Now: $746.42Was: $835.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard - Polaris CW60007K02
CYLINDER WORKS
MSRP: $959.95Now: $863.96Was: $964.95CYLINDER WORKS Cylinder Kit Standard Polaris CW60007K02Ready-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...09310852- SKU:
- 09310852
- Availability:
- Ships Same Business Day
- Weight:
- 10.10 LBS
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER DIAMETER:
- 93,00 MM
- DISPLACEMENT:
- 875 CC
- RIDING STYLE:
- UTV
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 93.00 MM
- STYLE:
- STANDARD
- UNITS:
- KIT
- ENGINE TYPE:
- 4-CYCLE
MSRP: $959.95Now: $863.96Was: $964.95 -
On Sale
CYLINDER WORKS Cylinder Kit - High Compression - Big Bore CW60007K01HC
CYLINDER WORKS
MSRP: $1,110.95Now: $1,019.66Was: $1,140.95CYLINDER WORKS Cylinder Kit High Compression Big Bore CW60007K01HCReady-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,...09310853- SKU:
- 09310853
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 93.00 MM
- DISPLACEMENT:
- 875 CC
- UNITS:
- KIT
- CYLINDER DIAMETER:
- 93,00 MM
- RIDING STYLE:
- UTV
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
MSRP: $1,110.95Now: $1,019.66Was: $1,140.95 -
CYLINDER WORKS Cylinder Kit - Big Bore CW61007K01
CYLINDER WORKS
$1,256.95CYLINDER WORKS Cylinder Kit Big Bore CW61007K01Ready-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...09310854- SKU:
- 09310854
- Availability:
- Ships Same Business Day
- Weight:
- 9.30 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 98,00 MM
- UNITS:
- KIT
- DISPLACEMENT:
- 975 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- CYLINDER DIAMETER METRIC:
- 98.00 MM
- RIDING STYLE:
- UTV
$1,256.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard 10007-K03
CYLINDER WORKS
MSRP: $559.95Now: $503.96Was: $559.95CYLINDER WORKS Cylinder Kit Standard 10007-K03Ready-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...09310674- SKU:
- 09310674
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- BORE SIZE METRIC:
- 76.80 MM
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER DIAMETER:
- 76,80 MM
- CYLINDER DIAMETER METRIC:
- 76.80 MM
- STYLE:
- STANDARD
MSRP: $559.95Now: $503.96Was: $559.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard 40004-K03
CYLINDER WORKS
MSRP: $577.95Now: $530.96Was: $593.95CYLINDER WORKS Cylinder Kit Standard 40004-K03Ready-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...09310675- SKU:
- 09310675
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.75:1
- CYLINDER DIAMETER:
- 77,00 MM
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- STYLE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 77.00 MM
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
MSRP: $577.95Now: $530.96Was: $593.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard 20010-K02
CYLINDER WORKS
MSRP: $614.95Now: $564.26Was: $631.95CYLINDER WORKS Cylinder Kit Standard 20010-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...09310676- SKU:
- 09310676
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
- BORE SIZE METRIC:
- 77.00 MM
- ENGINE TYPE:
- 4-CYCLE
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 77,00 MM
- PRODUCT NAME:
- CYLINDER KIT
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- STYLE:
- STANDARD
MSRP: $614.95Now: $564.26Was: $631.95Qty in Cart: 0Quantity:Price:MSRP: $614.95Now: $564.26Was: $631.95Subtotal: -
On Sale
CYLINDER WORKS Cylinder - Standard 10010
CYLINDER WORKS
MSRP: $344.95Now: $316.76Was: $354.95CYLINDER WORKS Cylinder Standard 10010Ready-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.09310712- SKU:
- 09310712
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 96,00 MM
- OVERBORE METRIC:
- STANDARD
- STYLE:
- STANDARD
- ENGINE TYPE:
- 4-CYCLE
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
MSRP: $344.95Now: $316.76Was: $354.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard Bore 10010-K01
CYLINDER WORKS
MSRP: $577.95Now: $530.96Was: $593.95CYLINDER WORKS Cylinder Kit Standard Bore 10010-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...09310713- SKU:
- 09310713
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- STYLE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER DIAMETER:
- 96,00 MM
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-CYCLE
MSRP: $577.95Now: $530.96Was: $593.95Qty in Cart: 0Quantity:Price:MSRP: $577.95Now: $530.96Was: $593.95Subtotal: -
On Sale
CYLINDER WORKS Cylinder Kit - High Compression - Standard Bore 10010-K01HC
CYLINDER WORKS
MSRP: $633.95Now: $582.26Was: $651.95CYLINDER WORKS Cylinder Kit High Compression Standard Bore 10010-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,...09310714- SKU:
- 09310714
- Availability:
- Ships Same Business Day
- Weight:
- 4.15 LBS
- STYLE:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.4:1
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 96,00 MM
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $633.95Now: $582.26Was: $651.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Big Bore 11010-K01
CYLINDER WORKS
MSRP: $726.95Now: $666.86Was: $746.95CYLINDER WORKS Cylinder Kit Big Bore 11010-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...09310715- SKU:
- 09310715
- Availability:
- Ships Same Business Day
- Weight:
- 4.25 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- DISPLACEMENT:
- STANDARD
- OVERBORE METRIC:
- +3.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 99.00 MM
- RIDING STYLE:
- OFF-ROAD
- CYLINDER DIAMETER:
- 99,00 MM
- ENGINE TYPE:
- 4-CYCLE
MSRP: $726.95Now: $666.86Was: $746.95 -
On Sale
CYLINDER WORKS Cylinder - Standard 50006
CYLINDER WORKS
MSRP: $441.95Now: $405.86Was: $453.95CYLINDER WORKS Cylinder Standard 50006Ready-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.09310716- SKU:
- 09310716
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- CYLINDER DIAMETER METRIC:
- 78.00 MM
- UNITS:
- EACH
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- OVERBORE METRIC:
- STANDARD
- STYLE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 14.4:1
- CYLINDER DIAMETER:
- 78,00 MM
- ENGINE TYPE:
- 4-CYCLE
MSRP: $441.95Now: $405.86Was: $453.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard Bore 50006-K01
CYLINDER WORKS
MSRP: $733.95Now: $674.06Was: $754.95CYLINDER WORKS Cylinder Kit Standard Bore 50006-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...09310717- SKU:
- 09310717
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- CYLINDER DIAMETER METRIC:
- 78.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.4:1
- CYLINDER DIAMETER:
- 78,00 MM
- ENGINE TYPE:
- 4-CYCLE
- BORE SIZE METRIC:
- 78.00 MM
- STYLE:
- STANDARD
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $733.95Now: $674.06Was: $754.95Qty in Cart: 0Quantity:Price:MSRP: $733.95Now: $674.06Was: $754.95Subtotal: -
On Sale
CYLINDER WORKS Cylinder Kit 50006-K01HC
CYLINDER WORKS
MSRP: $754.95Now: $692.96Was: $775.95CYLINDER WORKS Cylinder Kit 50006-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 reduced engine...09310718- SKU:
- 09310718
- Availability:
- Ships Same Business Day
- Weight:
- 3.55 LBS
- COMPRESSION RATIO IMPERIAL:
- 14.7:1
- CYLINDER DIAMETER METRIC:
- 78.00 MM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CYLINDER KIT
- UNITS:
- KIT
- BORE SIZE METRIC:
- 78.00 MM
- CYLINDER DIAMETER:
- 78,00 MM
- STYLE:
- STANDARD
- ENGINE TYPE:
- 4-CYCLE
MSRP: $754.95Now: $692.96Was: $775.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Big Bore 51006-K01
CYLINDER WORKS
MSRP: $850.95Now: $781.16Was: $873.95CYLINDER WORKS Cylinder Kit Big Bore 51006-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...09310719- SKU:
- 09310719
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- RIDING STYLE:
- OFF-ROAD
- COMPRESSION RATIO IMPERIAL:
- 14.4:1
- CYLINDER DIAMETER METRIC:
- 81.00 MM
- ENGINE TYPE:
- 4-CYCLE
- DISPLACEMENT:
- STANDARD
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 81,00 MM
- OVERBORE METRIC:
- +3.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- UNITS:
- KIT
MSRP: $850.95Now: $781.16Was: $873.95
