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 Gasket Kit - Big Bore 11010-G01
CYLINDER WORKS
MSRP: $70.95Now: $63.86Was: $70.95CYLINDER WORKS Gasket Kit Big Bore 11010-G01Made in the U.S.A.09346004- SKU:
- 09346004
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- CYLINDER
- BORE SIZE IMPERIAL:
- OVERSIZE (+3.00 MM)
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DIAMETER METRIC:
- 99.00 MM
- PRODUCT NAME:
- GASKET KIT
MSRP: $70.95Now: $63.86Was: $70.95 -
On Sale
CYLINDER WORKS Cylinder - Standard 20010
CYLINDER WORKS
MSRP: $355.95Now: $326.66Was: $365.95CYLINDER WORKS Cylinder Standard 20010Ready-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.09310579- SKU:
- 09310579
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER:
- 77,00 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- OVERBORE METRIC:
- STANDARD
- STYLE:
- STANDARD
MSRP: $355.95Now: $326.66Was: $365.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Big Bore 10007-K02
CYLINDER WORKS
MSRP: $559.95Now: $503.96Was: $559.95CYLINDER WORKS Cylinder Kit Big Bore 10007-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...09310583- SKU:
- 09310583
- Availability:
- Ships Same Business Day
- Weight:
- 3.55 LBS
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- CYLINDER DIAMETER:
- 76,80 MM
- STYLE:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 76.80 MM
- RIDING STYLE:
- OFF-ROAD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- PRODUCT NAME:
- CYLINDER KIT
- UNITS:
- KIT
MSRP: $559.95Now: $503.96Was: $559.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard Bore 20005-K02
CYLINDER WORKS
MSRP: $646.95Now: $593.96Was: $664.95CYLINDER WORKS Cylinder Kit Standard Bore 20005-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...09310585- SKU:
- 09310585
- Availability:
- Ships Same Business Day
- Weight:
- 4.55 LBS
- CYLINDER DIAMETER:
- 97,00 MM
- DISPLACEMENT:
- 449 CC
- ENGINE TYPE:
- 4-CYCLE
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- CYLINDER DIAMETER METRIC:
- 97.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $646.95Now: $593.96Was: $664.95 -
On Sale
CYLINDER WORKS Cylinder Kit - Standard Bore 20009-K01
CYLINDER WORKS
MSRP: $690.95Now: $634.46Was: $709.95CYLINDER WORKS Cylinder Kit Standard Bore 20009-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...09310587- SKU:
- 09310587
- Availability:
- Ships Same Business Day
- Weight:
- 7.35 LBS
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
MSRP: $690.95Now: $634.46Was: $709.95Qty in Cart: 0Quantity:Price:MSRP: $690.95Now: $634.46Was: $709.95Subtotal: -
On Sale
CYLINDER WORKS Cylinder Head CH2005-K01
CYLINDER WORKS
MSRP: $118.95Now: $108.86Was: $121.95CYLINDER WORKS Cylinder Head CH2005-K01New replacement cylinder head, Includes cam caps and cam cap bolts, Includes C630 (nickel/aluminum/bronze) valve seats and guides, Competition valve job, Shortened valve guides to accept higher lift cams, Unshrouded...09300205- SKU:
- 09300205
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- CYLINDER HEAD
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
MSRP: $118.95Now: $108.86Was: $121.95 -
On Sale
CYLINDER WORKS Cylinder - Standard 30009
CYLINDER WORKS
MSRP: $455.95Now: $418.46Was: $467.95CYLINDER WORKS Cylinder Standard 30009Ready-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.09310580- SKU:
- 09310580
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- OVERBORE METRIC:
- STANDARD
- STYLE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- DISPLACEMENT:
- 85 CC
- ENGINE TYPE:
- 2-CYCLE
- PRODUCT NAME:
- CYLINDER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
MSRP: $455.95Now: $418.46Was: $467.95 -
On Sale
CYLINDER WORKS Cylinder Kit - High Compression 10001-K02HC
CYLINDER WORKS
MSRP: $599.95Now: $539.96Was: $599.95CYLINDER WORKS Cylinder Kit High Compression 10001-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...09310290- SKU:
- 09310290
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- CYLINDER BORE COATING:
- NICKEL-SILICON CARBIDE
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 78.00 MM
- CYLINDER DIAMETER:
- 78,00 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-CYCLE
- STYLE:
- HIGH COMPRESSION
MSRP: $599.95Now: $539.96Was: $599.95 -
DEL WEST Exhaust Valve DW-RMZ450-EV08
DEL WEST
$172.95DEL WEST Exhaust Valve DW-RMZ450-EV08Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable09261063- SKU:
- 09261063
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- UNITS:
- EACH
$172.95 -
DEL WEST Intake Valve DW-RMZ450-IV05
DEL WEST
$172.95DEL WEST Intake Valve DW-RMZ450-IV05Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable09261064- SKU:
- 09261064
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- VALVE
- APPLICATION:
- INTAKE
- MATERIAL:
- TITANIUM
- UNITS:
- EACH
$172.95 -
DEL WEST Intake Valve DW-CRF150RIV07
DEL WEST
$172.95DEL WEST Intake Valve DW-CRF150RIV07Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable09262217- SKU:
- 09262217
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- TITANIUM
- UNITS:
- EACH
$172.95Qty in Cart: 0Quantity:Price:$172.95Subtotal: -
MOOSE RACING Oil Pump Cover - KTM/Husky T04-5101B
MOOSE RACING
$32.95MOOSE RACING Oil Pump Cover KTM/Husky T04-5101BCNC Machined covers made from 6061 T6 Aluminum, Black anodized finish for added looks and appeal, Aluminum cover helps dissipate added heat from engine oil, Light weight and durable design09401936- SKU:
- 09401936
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BASE FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 6061 T-6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- COVER
- COLOR/FINISH:
- ANODIZED
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- MACHINED
- TYPE:
- OIL PUMP
- UNITS:
- EACH
$32.95 -
POWERSTANDS RACING Oil Cap Kit - Black - M18 x 1.5 00-01308-22
POWERSTANDS RACING
$31.95POWERSTANDS RACING Oil Cap Kit Black M18 x 1.5 00-01308-22CNC-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...09500558- SKU:
- 09500558
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CAP KIT
- TYPE:
- OIL FILLER
- DIAMETER - THREAD SIZE IMPERIAL:
- M18 X 1.5
- MATERIAL:
- ALUMINUM
$31.95 -
POWERSTANDS RACING Oil Cap Kit - Orange - M24 x 3.0 00-01309-28
POWERSTANDS RACING
$31.95POWERSTANDS RACING Oil Cap Kit Orange M24 x 3.0 00-01309-28CNC-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...09500559- SKU:
- 09500559
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- ORANGE
- DIAMETER - THREAD SIZE IMPERIAL:
- M24 X 3.0
- PRODUCT NAME:
- CAP KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- OIL FILLER
- UNITS:
- KIT
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$31.95Qty in Cart: 0Quantity:Price:$31.95Subtotal: -
POWERSTANDS RACING Oil Cap Kit - Gold - M20 x 1.5 00-01310-23
POWERSTANDS RACING
$31.95POWERSTANDS RACING Oil Cap Kit Gold M20 x 1.5 00-01310-23CNC-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...09500560- SKU:
- 09500560
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- CAP KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- OIL FILLER
- UNITS:
- KIT
- COLOR/FINISH:
- ANODIZED
- DIAMETER - THREAD SIZE IMPERIAL:
- M20 X 1.5
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$31.95 -
POWERSTANDS RACING Oil Cap Kit - Blue - M20 x 1.5 00-01310-25
POWERSTANDS RACING
$31.95POWERSTANDS RACING Oil Cap Kit Blue M20 x 1.5 00-01310-25CNC-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...09500561- SKU:
- 09500561
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- ANODIZED
- PRODUCT NAME:
- CAP KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- BLUE
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- OIL FILLER
- DIAMETER - THREAD SIZE IMPERIAL:
- M20 X 1.5
$31.95 -
POWERSTANDS RACING Oil Cap Kit - Blue - M20 x 2.5 00-01311-25
POWERSTANDS RACING
$31.95POWERSTANDS RACING Oil Cap Kit Blue M20 x 2.5 00-01311-25CNC-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...09500563- SKU:
- 09500563
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- ANODIZED
- PRODUCT NAME:
- CAP KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLUE
- UNITS:
- KIT
- TYPE:
- OIL FILLER
- DIAMETER - THREAD SIZE IMPERIAL:
- M20 X 2.5
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$31.95 -
PRO FILTER Replacement Oil Filter PF-563
PRO FILTER
$7.99PRO FILTER Replacement Oil Filter PF-563High-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...07120618- SKU:
- 07120618
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- STYLE:
- PREMIUM
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$7.99 -
WRENCH RABBIT Engine Kit - Suzuki WR101-068
WRENCH RABBIT
$520.95WRENCH RABBIT Engine Kit Suzuki WR101-068Convenient one-stop shop in a box; nearly all components required for a complete and professional rebuild, Vertex piston kit (standard compression piston, rings, pin and clips), Hot Rods heavy-duty crank (stock...09031004- SKU:
- 09031004
- Availability:
- Ships Same Business Day
- Weight:
- 8.75 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- WRENCH RABBIT
- FEATURES:
- STANDARD COMPRESSION PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$520.95 -
WRENCH RABBIT Engine Kit - Suzuki WR101-069
WRENCH RABBIT
$520.95WRENCH RABBIT Engine Kit Suzuki WR101-069Convenient one-stop shop in a box; nearly all components required for a complete and professional rebuild, Vertex piston kit (standard compression piston, rings, pin and clips), Hot Rods heavy-duty crank (stock...09031005- SKU:
- 09031005
- Availability:
- Ships Same Business Day
- Weight:
- 8.70 LBS
- TYPE:
- ENGINE
- FEATURES:
- STANDARD COMPRESSION PISTON
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- WRENCH RABBIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$520.95
