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 - Standard 30001-K01
CYLINDER WORKS
MSRP: $595.95Now: $536.36Was: $595.95CYLINDER WORKS Cylinder Kit Standard 30001-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...09310275- SKU:
- 09310275
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.6:1
- 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
MSRP: $595.95Now: $536.36Was: $595.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard 30001-K02
CYLINDER WORKS
MSRP: $562.95Now: $516.56Was: $577.95CYLINDER WORKS Cylinder Kit Standard 30001-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...09310276- SKU:
- 09310276
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 77,00 MM
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- STANDARD
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
MSRP: $562.95Now: $516.56Was: $577.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard 20002-K01
CYLINDER WORKS
MSRP: $614.95Now: $564.26Was: $631.95CYLINDER WORKS Cylinder Kit Standard 20002-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...09310278- SKU:
- 09310278
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.7:1
- CYLINDER DIAMETER:
- 77,00 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- STYLE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
MSRP: $614.95Now: $564.26Was: $631.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard 20002-K03
CYLINDER WORKS
MSRP: $614.95Now: $564.26Was: $631.95CYLINDER WORKS Cylinder Kit Standard 20002-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...09310281- SKU:
- 09310281
- Availability:
- Ships Same Business Day
- Weight:
- 3.62 LBS
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- STYLE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 77,00 MM
- PRODUCT NAME:
- CYLINDER KIT
- UNITS:
- KIT
MSRP: $614.95Now: $564.26Was: $631.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard 20003-K01
CYLINDER WORKS
MSRP: $614.95Now: $564.26Was: $631.95CYLINDER WORKS Cylinder Kit Standard 20003-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...09310282- SKU:
- 09310282
- Availability:
- Ships Same Business Day
- Weight:
- 3.33 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 95.00 MM
- DISPLACEMENT:
- 449 CC
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER DIAMETER:
- 95,00 MM
- STYLE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-CYCLE
MSRP: $614.95Now: $564.26Was: $631.95 -
On Sale
CYLINDER WORKS Cylinder Kit - High Compression 10004-K01HC
CYLINDER WORKS
MSRP: $559.95Now: $503.96Was: $559.95CYLINDER WORKS Cylinder Kit High Compression 10004-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...09310288- SKU:
- 09310288
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- CYLINDER DIAMETER:
- 66,00 MM
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- HIGH COMPRESSION
- COMPRESSION RATIO IMPERIAL:
- 12.2:1
- CYLINDER DIAMETER METRIC:
- 66.00 MM
- DISPLACEMENT:
- 149 CC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
MSRP: $559.95Now: $503.96Was: $559.95 -
On Sale
CYLINDER WORKS Cylinder Kit - High Compression 10001-K01HC
CYLINDER WORKS
MSRP: $579.95Now: $521.96Was: $579.95CYLINDER WORKS Cylinder Kit High Compression 10001-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...09310289- SKU:
- 09310289
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- CYLINDER DIAMETER:
- 78,00 MM
- STYLE:
- HIGH COMPRESSION
- COMPRESSION RATIO IMPERIAL:
- 13.4:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 78.00 MM
- PRODUCT NAME:
- CYLINDER KIT
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
MSRP: $579.95Now: $521.96Was: $579.95 -
BBR MOTORSPORTS Gasket Kit - Honda 411-HCF-1110
BBR MOTORSPORTS
$29.95BBR MOTORSPORTS Gasket Kit Honda 411-HCF-1110Gasket kit with both cylinder head and cylinder base gaskets09345378- SKU:
- 09345378
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- DISPLACEMENT:
- 132 CC
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CYLINDER HEAD
- STYLE:
- BIG BORE
- TYPE:
- CYLINDER BASE
- UNITS:
- KIT
$29.95 -
MOOSE RACING Engine Oil Seal Kit - Honda 822357
MOOSE RACING
$52.00MOOSE RACING Engine Oil Seal Kit Honda 822357Includes every seal in a engine including crank shaft seals, Does not include valve stem seal, Made in the USA09351027- SKU:
- 09351027
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- ENGINE
- TYPE:
- OIL
$52.00 -
MOOSE RACING Oil Seal Set - Honda 822378
MOOSE RACING
$32.74MOOSE RACING Oil Seal Set Honda 822378Includes every seal in a engine including crank shaft seals, Does not include valve stem seal, Made in the USA09351052- SKU:
- 09351052
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- OIL
- UNITS:
- KIT
- APPLICATION:
- ENGINE
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
$32.74Qty in Cart: 0Quantity:Price:$32.74Subtotal: -
MOOSE RACING Oil Seal Set - Kawasaki 822379
MOOSE RACING
$25.17MOOSE RACING Oil Seal Set Kawasaki 822379Includes every seal in a engine including crank shaft seals, Does not include valve stem seal, Made in the USA09351053- SKU:
- 09351053
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- ENGINE
- TYPE:
- OIL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL KIT
$25.17Qty in Cart: 0Quantity:Price:$25.17Subtotal: -
MOOSE RACING Oil Seal Set - Yamaha 822994
MOOSE RACING
$25.17MOOSE RACING Oil Seal Set Yamaha 822994Includes every seal in a engine including crank shaft seals, Does not include valve stem seal, Made in the USA09351055- SKU:
- 09351055
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- ENGINE
- TYPE:
- OIL
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$25.17Qty in Cart: 0Quantity:Price:$25.17Subtotal: -
POWERSTANDS RACING Oil Cap Kit - Gold - M20 x 2.5 00-01311-23
POWERSTANDS RACING
$31.95POWERSTANDS RACING Oil Cap Kit Gold M20 x 2.5 00-01311-23CNC-machined from high-quality aluminum, E-clip is already safety wired to a mounting tab and the wire covered with silicon tubing that will not melt or discolor, Excellent resistance to extreme...09500562- SKU:
- 09500562
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- CAP KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- OIL FILLER
- RIDING STYLE:
- STREET
- DIAMETER - THREAD SIZE IMPERIAL:
- M20 X 2.5
- MATERIAL:
- ALUMINUM
$31.95Qty in Cart: 0Quantity:Price:$31.95Subtotal: -
PRO CIRCUIT Oil Filter Cover - KX450F PC4009-0015
PRO CIRCUIT
$39.95PRO CIRCUIT Oil Filter Cover KX450F PC4009-0015Machined from aircraft-grade aluminum, Polished to a mirror finish, then anodized for a one-of-a-kind look09401492- SKU:
- 09401492
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- ANODIZED
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- OIL FILTER
- COLOR/FINISH:
- MIRROR
$39.95 -
PRO FILTER Replacement Oil Filter PF-204B
PRO FILTER
$11.99PRO FILTER Replacement Oil Filter PF-204BHigh-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...07120609- SKU:
- 07120609
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BASE COLOR:
- BLACK
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- WATERCRAFT
- STYLE:
- PREMIUM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- COLOR/FINISH:
- BLACK
$11.99Qty in Cart: 0Quantity:Price:$11.99Subtotal: -
PRO FILTER Replacement Oil Filter PF-204C
PRO FILTER
$15.99PRO FILTER Replacement Oil Filter PF-204CHigh-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...07120610- SKU:
- 07120610
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- STYLE:
- PREMIUM
$15.99Qty in Cart: 0Quantity:Price:$15.99Subtotal: -
PRO FILTER Replacement Oil Filter PF-303C
PRO FILTER
$17.99PRO FILTER Replacement Oil Filter PF-303CHigh-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...07120612- SKU:
- 07120612
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- STYLE:
- PREMIUM
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
$17.99 -
PRO FILTER Replacement Oil Filter PF-401
PRO FILTER
$8.99PRO FILTER Replacement Oil Filter PF-401High-performance OEM-type filter, Include fibrous micro-pore filtration structure, Consistent flow rates with high strength and dimensional stability, For use with synthetic or petroleum-based oils, Exceed OEM...07120613- SKU:
- 07120613
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- FEATURES:
- COMPLETE CHANGE KIT
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- PREMIUM
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
$8.99 -
WISECO Ring Set 2973XC
WISECO
$49.95WISECO Ring Set 2973XCEach ring set is for one piston2973XC- SKU:
- 2973XC
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 75.50 MM
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$49.95 -
WISECO Ring Set 2973XG
WISECO
$49.95WISECO Ring Set 2973XGEach ring set is for one piston2973XG- SKU:
- 2973XG
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- BORE SIZE METRIC:
- 75.50 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
$49.95
