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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POWERSTANDS RACING Cam Chain Tensioner - MX GM 08-02000-28
POWERSTANDS RACING
$74.95POWERSTANDS RACING Cam Chain Tensioner MX GM 08-02000-28Made from billet aluminum, Remove out-of-timing problems, premature engine wear and excess tension caused by an automatic tensioner, Gunmetal-finish09251260- SKU:
- 09251260
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CAM CHAIN TENSIONER
- UNITS:
- EACH
$74.95 -
POWERSTANDS RACING Case Saver/Sprocket Cover - Blue 07-04150-25
POWERSTANDS RACING
$99.95POWERSTANDS RACING Case Saver/Sprocket Cover Blue 07-04150-25Tough protection against broken chain from cracking engine cases, Machined lightweight design, Look so much better than stock cover, Replace OEM plastic sprocket cover, Anodized finish09500788- SKU:
- 09500788
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PRODUCT NAME:
- CASE SAVER
- PRODUCT NAME:
- SPROCKET COVER
- TYPE:
- ENGINE
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- ANODIZED
- RIDING STYLE:
- OFF-ROAD
$99.95Qty in Cart: 0Quantity:Price:$99.95Subtotal: -
POWERSTANDS RACING Drain Plug 00-01946-22
POWERSTANDS RACING
$25.95POWERSTANDS RACING Drain Plug 00-01946-22Bolts are CNC machined from high-quality aluminum, Embedded magnet helps keep bolt in place, Predrilled holes make for easy installation of safety wires09200107- SKU:
- 09200107
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- FEATURES:
- MAGNETIC
- TYPE:
- OIL DRAIN
- COLOR/FINISH:
- BLACK
- DIAMETER - THREAD SIZE METRIC:
- M12 X 1.50 X 15 MM
- RIDING STYLE:
- UTV
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- BOLT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$25.95Qty in Cart: 0Quantity:Price:$25.95Subtotal: -
POWERSTANDS RACING Drain Plug 00-01946-24
POWERSTANDS RACING
$25.95POWERSTANDS RACING Drain Plug 00-01946-24Bolts are CNC machined from high-quality aluminum, Embedded magnet helps keep bolt in place, Predrilled holes make for easy installation of safety wires09200108- SKU:
- 09200108
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- FEATURES:
- MAGNETIC
- PRODUCT NAME:
- BOLT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- OIL DRAIN
- DIAMETER - THREAD SIZE METRIC:
- M12 X 1.50 X 15 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$25.95 -
Pro Circuit Water Pump Cover with Impeller for Kawasaki KX450F 2016-2018 WPK16450
PRO CIRCUIT
$199.95PRO CIRCUIT Water Pump Cover with Impeller for Kawasaki WPK16450 Enhance your Kawasaki's performance with the PRO CIRCUIT Water Pump Cover, expertly crafted from CNC-machined billet aluminum. This high-quality component is designed to provide exceptional...09401577- SKU:
- 09401577
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- MACHINED
- TYPE:
- WATER PUMP
- UNITS:
- SET
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Pro Circuit Water Pump Cover with Impeller for Honda CRF450R 2019 WPH09450
PRO CIRCUIT
$239.95PRO CIRCUIT Water Pump Cover with Impeller for Honda WPH09450 Upgrade your Honda's performance with the PRO CIRCUIT Water Pump Cover, expertly crafted from CNC-machined billet aluminum. This cover not only enhances durability but also optimizes water...09401180- SKU:
- 09401180
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- MACHINED
- TYPE:
- WATER PUMP
- UNITS:
- SET
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
Pro Circuit Clutch Cover Kawasaki KX450F 2006-2015 CCK06450
PRO CIRCUIT
$169.95PRO CIRCUIT Clutch Cover for KX450F (CCK06450) Enhance your KX450F's performance with the PRO CIRCUIT Clutch Cover, engineered for optimal strength and heat management. Crafted from premium billet T-6 aircraft-grade aluminum, this cover combines...09400657- SKU:
- 09400657
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- TYPE:
- CLUTCH
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- ALUMINUM
- COLOR/FINISH:
- BLACK
- MATERIAL:
- T-6 ALUMINUM
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
Pro Circuit Engine Plug Kit for Kawasaki KX250F 2011-2024 PC4009-0001
PRO CIRCUIT
$69.95PRO CIRCUIT Engine Plug Kit for KX250F/450F - PC4009-0001 Elevate your motorcycle's style and functionality with the PRO CIRCUIT Engine Plug Kit, designed specifically for KX250F and KX450F models. Crafted from premium aircraft-grade aluminum, this kit...09400659- SKU:
- 09400659
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- COLOR/FINISH:
- ANODIZED
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- MIRROR
- PRODUCT NAME:
- PLUG KIT
- UNITS:
- KIT
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- TYPE:
- ENGINE
$69.95 -
Pro Circuit Engine Plug Kit CRF250R 2004-2009 PC4009-0003
PRO CIRCUIT
$109.95PRO CIRCUIT Engine Plug Kit CRF250 PC4009-0003 Upgrade your motorcycle's aesthetics and functionality with the PRO CIRCUIT Engine Plug Kit. This premium kit includes all necessary ignition cover and oil filler plugs, expertly crafted from aircraft-grade...09400662- SKU:
- 09400662
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- COLOR/FINISH:
- ANODIZED
- PRODUCT NAME:
- PLUG KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- MIRROR
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- TYPE:
- ENGINE
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
Pro Circuit Engine Plug Kit for Honda CRF450R 2002-2008 PC4009-0004
PRO CIRCUIT
$89.95PRO CIRCUIT Engine Plug Kit CRF450R PC4009-0004 Enhance the performance and aesthetics of your CRF450R with the PRO CIRCUIT Engine Plug Kit. This premium kit includes everything you need for a sleek and polished look, crafted from high-quality...09400663- SKU:
- 09400663
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- MIRROR
- PRODUCT NAME:
- PLUG KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- TYPE:
- ENGINE
$89.95Qty in Cart: 0Quantity:Price:$89.95Subtotal: -
Pro Circuit Clutch Cover for Kawasaki KX250F 2009-2020 CCK09250
PRO CIRCUIT
$169.95PRO CIRCUIT Clutch Cover KXF250 CCK09250 Elevate your KXF250's performance with the PRO CIRCUIT Clutch Cover, expertly engineered for enhanced reliability and superior heat management. Crafted from premium billet T-6 aircraft-quality aluminum, this...09400820- SKU:
- 09400820
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
- COLOR/FINISH:
- ALUMINUM
- COLOR/FINISH:
- BLACK
- MATERIAL:
- T-6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
$169.95 -
Pro Circuit Engine Plug Kit Honda CRF450R 2009-2016 PC4009-0011
PRO CIRCUIT
$99.95PRO CIRCUIT Engine Plug Kit CRF450 PC4009-0011 Elevate your bike's aesthetics and performance with the PRO CIRCUIT Engine Plug Kit designed specifically for the CRF450. This premium kit includes all necessary ignition cover and oil filler plugs,...09400823- SKU:
- 09400823
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- COLOR/FINISH:
- ANODIZED
- PRODUCT NAME:
- PLUG KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- MIRROR
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- TYPE:
- ENGINE
$99.95Qty in Cart: 0Quantity:Price:$99.95Subtotal: -
Pro Circuit Engine Plug Kit Yamaha YZ450F 2010-2020 PC40009-0019
PRO CIRCUIT
$69.95PRO CIRCUIT Engine Plug Kit YZ450F PC40009-0019 Elevate your YZ450F with the PRO CIRCUIT Engine Plug Kit, designed to enhance both aesthetics and performance. Crafted from premium aircraft-grade aluminum, these plugs not only provide a perfect fit but...09401993- SKU:
- 09401993
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MATERIAL:
- ALUMINUM
- COLOR/FINISH:
- MIRROR
- TYPE:
- ENGINE
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- PLUG KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- ANODIZED
$69.95 -
Pro Circuit Ignition Cover for Kawasaki KLX110 2010-2025 ICK20110
PRO CIRCUIT
$63.00PRO CIRCUIT Ignition Cover KLX 110 ICK20110 Upgrade your KLX 110 with the PRO CIRCUIT Ignition Cover, designed for enhanced performance and durability. This premium ignition cover not only protects vital components but also adds a sleek look to your bike...09401985- SKU:
- 09401985
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- IGNITION
$63.00 -
Pro Circuit Replacement O-Ring for 2004 Kawasaki KX250F and RM-Z250 PC4008-0401
PRO CIRCUIT
$5.95Upgrade your water pump cover with the PRO CIRCUIT Replacement O-Ring PC4008-0401, designed specifically for optimal performance and durability. This OEM replacement part ensures a perfect fit and reliable sealing, preventing leaks and maintaining the...09350003- SKU:
- 09350003
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- WATER PUMP
- PRODUCT NAME:
- O-RING
- UNITS:
- EACH
$5.95 -
Pro Circuit Water Pump Cover with Impeller for 2004-2006 Suzuki RM-Z250 WPK04250
PRO CIRCUIT
$239.95PRO CIRCUIT Water Pump Cover with Impeller WPK04250 Enhance your engine's cooling efficiency with the PRO CIRCUIT Water Pump Cover, expertly crafted from CNC-machined billet aluminum. This robust yet lightweight design ensures exceptional durability,...09400464- SKU:
- 09400464
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- COVER
- TYPE:
- WATER PUMP
- COLOR/FINISH:
- MACHINED
- UNITS:
- SET
$239.95 -
Pro Circuit Clutch Cover Kawasaki KX250F 2004-2008 CCK04250
PRO CIRCUIT
$173.95PRO CIRCUIT Clutch Cover KXF/RMZ250 CCK04250 Experience unparalleled performance with the PRO CIRCUIT Clutch Cover, meticulously engineered for the KXF and RMZ250 models. Crafted from high-grade T-6 aircraft aluminum, this clutch cover not only enhances...09400467- SKU:
- 09400467
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- T-6 ALUMINUM
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- COLOR/FINISH:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$173.95 -
Pro Circuit Water Pump Cover with Impeller for Kawasaki KX250 2019-2020 WPK17250
PRO CIRCUIT
$239.95PRO CIRCUIT Water Pump Cover with Impeller for Kawasaki WPK17250 Upgrade your Kawasaki's performance with the PRO CIRCUIT Water Pump Cover, expertly crafted from CNC-machined billet aluminum. This lightweight yet sturdy cover enhances water flow...09401611- SKU:
- 09401611
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- MACHINED
- PRODUCT NAME:
- COVER
- UNITS:
- SET
- TYPE:
- WATER PUMP
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
$239.95 -
MOOSE RACING Countershaft Sprocket Seal Kit - KTM 25-4001
MOOSE RACING
$27.95MOOSE RACING Countershaft Sprocket Seal Kit KTM 25-4001Kits include hardened steel bushing, an upgraded seal, an O-ring (where applicable) and a snap ring or lock washer (where applicable), Made in the U.S.A.09350428- SKU:
- 09350428
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
- APPLICATION:
- COUNTERSHAFT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
$27.95 -
MOOSE RACING Countershaft Sprocket Seal Kit - KTM 25-4002
MOOSE RACING
$23.95MOOSE RACING Countershaft Sprocket Seal Kit KTM 25-4002Kits include hardened steel bushing, an upgraded seal, an O-ring (where applicable) and a snap ring or lock washer (where applicable), Made in the U.S.A.09350429- SKU:
- 09350429
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- COUNTERSHAFT
$23.95Qty in Cart: 0Quantity:Price:$23.95Subtotal:
