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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- Qty in Cart
- Quantity
- Price
- Subtotal
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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
$99.95 -
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
$25.95Qty in Cart: 0Quantity:Price:$25.95Subtotal: -
PRO CIRCUIT Water Pump Cover with Impeller - Kawasaki WPK16450
PRO CIRCUIT
$199.95PRO CIRCUIT Water Pump Cover with Impeller Kawasaki WPK16450Made of CNC-machined billet aluminum, Strong, lightweight and durable to provide years of outstanding protection and performance, Designed with an impeller to increase water flow and reduce...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 - Honda WPH09450
PRO CIRCUIT
$239.95PRO CIRCUIT Water Pump Cover with Impeller Honda WPH09450Made of CNC-machined billet aluminum, Strong, lightweight and durable to provide years of outstanding protection and performance, Designed with an impeller to increase water flow and reduce...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 - KX450F CCK06450
PRO CIRCUIT
$169.95PRO CIRCUIT Clutch Cover KX450F CCK06450Developed using the latest design, testing and manufacturing technologies to improve dependability, strength and heat dissipation, Precision machined from billet T-6 aircraft-quality aluminum to aerospace tolerances09400657- 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
$169.95 -
PRO CIRCUIT Engine Plug Kit - KX250F/450F PC4009-0001
PRO CIRCUIT
$69.95PRO CIRCUIT Engine Plug Kit KX250F/450F PC4009-0001Contain the required number of ignition cover and oil filler plugs, Machined from aircraft-grade aluminum, Polished to a mirror finish, then anodized for a one-of-a-kind look09400659- 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 - CRF250 PC4009-0003
PRO CIRCUIT
$109.95PRO CIRCUIT Engine Plug Kit CRF250 PC4009-0003Contain the required number of ignition cover and oil filler plugs, Machined from aircraft-grade aluminum, Polished to a mirror finish, then anodized for a one-of-a-kind look09400662- 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 - CRF450R PC4009-0004
PRO CIRCUIT
$89.95PRO CIRCUIT Engine Plug Kit CRF450R PC4009-0004Contain the required number of ignition cover and oil filler plugs, Machined from aircraft-grade aluminum, Polished to a mirror finish, then anodized for a one-of-a-kind look09400663- 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 - KXF250 CCK09250
PRO CIRCUIT
$169.95PRO CIRCUIT Clutch Cover KXF250 CCK09250Developed using the latest design, testing and manufacturing technologies to improve dependability, strength and heat dissipation, Precision machined from billet T-6 aircraft-quality aluminum to aerospace tolerances09400820- 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 - CRF450 PC4009-0011
PRO CIRCUIT
$99.95PRO CIRCUIT Engine Plug Kit CRF450 PC4009-0011Contain the required number of ignition cover and oil filler plugs, Machined from aircraft-grade aluminum, Polished to a mirror finish, then anodized for a one-of-a-kind look09400823- 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 - YZ450F PC40009-0019
PRO CIRCUIT
$69.95PRO CIRCUIT Engine Plug Kit YZ450F PC40009-0019Contain the required number of ignition cover and oil filler plugs, Machined from aircraft-grade aluminum, Polished to a mirror finish, then anodized for a one-of-a-kind look09401993- 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
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
PRO CIRCUIT Ignition Cover - KLX 110 ICK20110
PRO CIRCUIT
$63.00PRO CIRCUIT Ignition Cover KLX 110 ICK20110PRO CIRCUIT Ignition Cover - KLX 11009401985- 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 PC4008-0401
PRO CIRCUIT
$5.95PRO CIRCUIT Replacement O-Ring PC4008-0401OEM replacement O-ring for Pro Circuit water pump cover.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
$5.95Qty in Cart: 0Quantity:Price:$5.95Subtotal: -
PRO CIRCUIT Water Pump Cover with Impeller WPK04250
PRO CIRCUIT
$239.95PRO CIRCUIT Water Pump Cover with Impeller WPK04250Made of CNC-machined billet aluminum, Strong, lightweight and durable to provide years of outstanding protection and performance, Designed with an impeller to increase water flow and reduce hydraulic...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 KXF/RMZ250 CCK04250
PRO CIRCUIT
$189.95PRO CIRCUIT Clutch Cover KXF/RMZ250 CCK04250Developed using the latest design, testing and manufacturing technologies to improve dependability, strength and heat dissipation, Precision machined from billet T-6 aircraft-quality aluminum to aerospace...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
$189.95 -
PRO CIRCUIT Water Pump Cover with Impeller - Kawasaki WPK17250
PRO CIRCUIT
$239.95PRO CIRCUIT Water Pump Cover with Impeller Kawasaki WPK17250Made of CNC-machined billet aluminum, Strong, lightweight and durable to provide years of outstanding protection and performance, Designed with an impeller to increase water flow and reduce...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
$26.95MOOSE 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
$26.95 -
MOOSE RACING Countershaft Sprocket Seal Kit - KTM 25-4002
MOOSE RACING
$22.95MOOSE 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
$22.95
