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 Big Bore Cylinder Kit for 2015-2023 Kawasaki KVF750 Brute Force 4x4i 860cc 31007-K02
CYLINDER WORKS
$564.95CYLINDER WORKS Big Bore Cylinder Kit 10007-K02 Enhance your engine's performance with the CYLINDER WORKS Big Bore Cylinder Kit. This ready-to-install kit offers a seamless fit, allowing you to upgrade without the need for complex machine work. Crafted in...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
$564.95 -
Cylinder Works Standard Bore Cylinder Kit Yamaha YZ450F 2014-2017 20005-K02
CYLINDER WORKS
$744.95CYLINDER WORKS Cylinder Kit Standard Bore 20005-K02 Upgrade your engine with the Cylinder Works Cylinder Kit, designed for seamless installation and optimal performance. This ready-to-install kit features a direct bolt-on design that mirrors OEM...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
$744.95 -
Cylinder Works YZ 250 1999-2024 Standard Bore Cylinder Kit 20009-K01
CYLINDER WORKS
$780.95CYLINDER WORKS Cylinder Kit Standard Bore 20009-K01 Upgrade your engine with the CYLINDER WORKS Standard Bore Cylinder Kit, designed for seamless installation and optimal performance. This kit offers a perfect blend of durability and efficiency, ensuring...09310587- SKU:
- 09310587
- Availability:
- Ships Same Business Day
- Weight:
- 7.35 LBS
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$780.95 -
Cylinder Works YZ125 2005-2021 Cylinder Head CH2005-K01
CYLINDER WORKS
$134.95CYLINDER WORKS Cylinder Head CH2005-K01 Upgrade your engine's performance with the CYLINDER WORKS CH2005-K01 Cylinder Head. This precision-engineered replacement head is designed to enhance airflow and improve combustion efficiency, making it an ideal...09300205- SKU:
- 09300205
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- CYLINDER HEAD
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$134.95 -
Cylinder Works Standard Bore Cylinder for Kawasaki KX85 2006-2013 30009
CYLINDER WORKS
$503.95CYLINDER WORKS Cylinder Standard 30009 Enhance your machine's performance with the CYLINDER WORKS Cylinder Standard 30009, a premium direct bolt-on solution that ensures seamless installation and optimal functionality. Crafted to meet or exceed OEM...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
$503.95Qty in Cart: 0Quantity:Price:$503.95Subtotal: -
Cylinder Works High Compression Cylinder Kit for Honda CRF250R 2008-2009 10001-K02HC
CYLINDER WORKS
$597.95High Compression Cylinder Kit - Model 10001-K02HC Upgrade your engine's performance with the High Compression Cylinder Kit, designed for effortless installation and optimal efficiency. Crafted with precision, this kit enhances power output while...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
$597.95 -
DEL WEST Exhaust Valve DW-RMZ450-EV08
DEL WEST
$155.95DEL 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
$155.95 -
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
$155.95DEL 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
$155.95 -
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
$31.95Qty in Cart: 0Quantity:Price:$31.95Subtotal: -
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
$31.95 -
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
$31.95Qty in Cart: 0Quantity:Price:$31.95Subtotal: -
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
$31.95Qty in Cart: 0Quantity:Price:$31.95Subtotal: -
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 Oil Filter for 2006-2009 Aprilia RXV 450 PF-563
PRO FILTER
$7.99PRO FILTER Replacement Oil Filter PF-563 Upgrade your engine's performance with the PRO FILTER Replacement Oil Filter PF-563. Designed to meet and exceed OEM specifications, this high-performance filter ensures optimal filtration and flow rates,...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 Rebuild Kit Suzuki RM85 2002-2004 WR101-068
WRENCH RABBIT
$572.95WRENCH RABBIT Engine Kit for Suzuki WR101-068 Upgrade your Suzuki with the WRENCH RABBIT Engine Kit, designed for a seamless and professional rebuild. This comprehensive kit includes everything you need for a reliable engine performance, ensuring your...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
$572.95 -
Wrench Rabbit Suzuki RM85 2005-2020 Engine Rebuild Kit WR101-069
WRENCH RABBIT
$572.95WRENCH RABBIT Engine Kit for Suzuki WR101-069 Revitalize your Suzuki engine with the comprehensive WRENCH RABBIT Engine Kit, designed for a seamless and professional rebuild. This all-in-one kit includes high-quality components to ensure your engine runs...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
$572.95 -
XCELDYNE Valve Locks XLOM55761
XCELDYNE
$38.18XCELDYNE Valve Locks XLOM55761CNC-machined from 8620 steel, Industry first color coded, purpose-built intake-sized and exhaust-sized design, Design allows keepers to stay locked at higher rpm09260529- SKU:
- 09260529
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- UNITS:
- SET OF 4
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- LOCK
$38.18 -
XCELDYNE Valve Spring Locators XSSM13000
XCELDYNE
$52.06XCELDYNE Valve Spring Locators XSSM13000Lightweight CNC-machined titanium retainers greatly reduce valve train mass and increase engine rpm, Increases valve spring life over heavier, stock steel retainers, Precision CNC-machined from 8620 case hardened...09260546- SKU:
- 09260546
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPRING LOCATOR
- UNITS:
- 4 PACK
$52.06
