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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Dirt Bike Cams and Parts
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Dirt Bike Connecting Rods and Parts
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Dirt Bike Crankcases and Parts
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Dirt Bike Crankshafts and Parts
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Dirt Bike Cylinder Heads and Parts
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Dirt Bike Cylinders and Parts
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Dirt Bike Engine Bearings
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Dirt Bike Engine Covers
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Dirt Bike Engine Gaskets and Kits
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Dirt Bike Engine Rebuild Kits
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Dirt Bike Engine Seals - Orings and Kits
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Dirt Bike Engine Valves and Parts
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Dirt Bike Flywheel and Rod Assemblies
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Dirt Bike Fuel Filters
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Dirt Bike Miscellaneous Engine Parts
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Dirt Bike Oil Coolers
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Dirt Bike Oil Filters
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Dirt Bike Oil Lines
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Dirt Bike Oil Pumps
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Dirt Bike Piston and Ring Kits
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Dirt Bike Piston Rings Only
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Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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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 look9400823- SKU:
- 9400823
- 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 look9401993- SKU:
- 9401993
- 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 1109401985- SKU:
- 9401985
- 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.9350003- SKU:
- 9350003
- 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 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...9400464- SKU:
- 9400464
- 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...9400467- SKU:
- 9400467
- 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...9401611- SKU:
- 9401611
- 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.9350428- SKU:
- 9350428
- 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.9350429- SKU:
- 9350429
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- COUNTERSHAFT
$22.95 -
MOOSE RACING Countershaft Sprocket Seal Kit - KTM 25-4003
MOOSE RACING
$24.95MOOSE RACING Countershaft Sprocket Seal Kit KTM 25-4003Kits 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.9350430- SKU:
- 9350430
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL KIT
- APPLICATION:
- COUNTERSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$24.95 -
MOOSE RACING Countershaft Sprocket Seal Kit - KTM 25-4004
MOOSE RACING
$38.95MOOSE RACING Countershaft Sprocket Seal Kit KTM 25-4004Kits 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.9350431- SKU:
- 9350431
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- COUNTERSHAFT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
$38.95 -
MOOSE RACING Countershaft Sprocket Seal Kit - KTM 25-4006
MOOSE RACING
$22.95MOOSE RACING Countershaft Sprocket Seal Kit KTM 25-4006Kits 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.9350433- SKU:
- 9350433
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- COUNTERSHAFT
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$22.95 -
MOOSE RACING Countershaft Sprocket Seal Kit - Yamaha 25-4022
MOOSE RACING
$22.95MOOSE RACING Countershaft Sprocket Seal Kit Yamaha 25-4022Kits 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.9350447- SKU:
- 9350447
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- COUNTERSHAFT
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
$22.95 -
MOOSE RACING Countershaft Sprocket Seal Kit - Yamaha 25-4023
MOOSE RACING
$22.95MOOSE RACING Countershaft Sprocket Seal Kit Yamaha 25-4023Kits 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.9350448- SKU:
- 9350448
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- APPLICATION:
- COUNTERSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL KIT
$22.95 -
MOOSE RACING Inner Clutch Cover Gasket 816099
MOOSE RACING
$17.73MOOSE RACING Inner Clutch Cover Gasket 816099Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...9346121- SKU:
- 9346121
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH COVER
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
$17.73 -
MOOSE RACING Inner Clutch Cover Gasket 816130
MOOSE RACING
$11.06MOOSE RACING Inner Clutch Cover Gasket 816130Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...9346122- SKU:
- 9346122
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH COVER
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
$11.06 -
MOOSE RACING Inner Clutch Cover Gasket 816138
MOOSE RACING
$12.80MOOSE RACING Inner Clutch Cover Gasket 816138Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...9346123- SKU:
- 9346123
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH COVER
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
$12.80 -
MOOSE RACING Inner Clutch Cover Gasket 816149
MOOSE RACING
$11.61MOOSE RACING Inner Clutch Cover Gasket 816149Moose can now handle all your gasket and seal needs at a fraction of OEM cast, High-tech materials provide unmatched reliability and performance, Rebuild the engine and transmissions with total confidence as...9346124- SKU:
- 9346124
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH COVER
- UNITS:
- EACH
- PRODUCT NAME:
- GASKET
$11.61 -
MOOSE RACING Motor Gasket Kit with Seal - KTM 811371
MOOSE RACING
$91.07MOOSE RACING Motor Gasket Kit with Seal KTM 811371Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit, Oil seals...9345367- SKU:
- 9345367
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- TYPE:
- ENGINE
$91.07Qty in Cart: 0Quantity:Price:$91.07Subtotal: -
MOOSE RACING Motor Gasket Kit with Seal - Husqvarna/KTM 811373
MOOSE RACING
$155.02MOOSE RACING Motor Gasket Kit with Seal Husqvarna/KTM 811373Moose can now handle all your gasket and seal needs at a fraction of OEM cost, Rebuild the engine and transmission with total confidence as each set is designed for durability and accurate fit,...9345369- SKU:
- 9345369
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- TYPE:
- ENGINE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
$155.02
