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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PROX PRO-X Crank Seal Kit 42.4288
PROX
$9.95PROX PRO-X Crank Seal Kit 42.4288OEM quality, All seals necessary for complete crank rebuild included94487- SKU:
- 94487
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$9.95 -
PROX PRO-X Crank Seal Kit 42.4300
PROX
$29.95PROX PRO-X Crank Seal Kit 42.4300OEM quality, All seals necessary for complete crank rebuild included94488- SKU:
- 94488
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$29.95 -
PROX PRO-X Crank Seal Kit 42.4403
PROX
$11.55PROX PRO-X Crank Seal Kit 42.4403OEM quality, All seals necessary for complete crank rebuild included94489- SKU:
- 94489
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$11.55 -
PROX PRO-X Crank Seal Kit 42.1103
PROX
$10.76PROX PRO-X Crank Seal Kit 42.1103OEM quality, All seals necessary for complete crank rebuild included94181- SKU:
- 94181
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$10.76 -
PROX PRO-X Crank Seal Kit 42.1206
PROX
$10.76PROX PRO-X Crank Seal Kit 42.1206OEM quality, All seals necessary for complete crank rebuild included94184- SKU:
- 94184
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$10.76 -
PROX PRO-X Crank Seal Kit 42.1312
PROX
$14.95PROX PRO-X Crank Seal Kit 42.1312OEM quality, All seals necessary for complete crank rebuild included94187- SKU:
- 94187
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$14.95 -
PROX Crank Seal Kit - CR250/500 42.1304
PROX
$11.55PROX Crank Seal Kit CR250/500 42.1304OEM quality, All seals necessary for complete crank rebuild included9350292- SKU:
- 9350292
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
- TYPE:
- OIL
- PRODUCT NAME:
- SEAL
$11.55 -
PROX Crank Seal Kit - CRF250R 42.1405
PROX
$21.50PROX Crank Seal Kit CRF250R 42.1405OEM quality, All seals necessary for complete crank rebuild included9350294- SKU:
- 9350294
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL
- TYPE:
- OIL
$21.50 -
PROX Crank Seal Kit - RM250 42.3325
PROX
$29.95PROX Crank Seal Kit RM250 42.3325OEM quality, All seals necessary for complete crank rebuild included9350315- SKU:
- 9350315
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- OIL
- PRODUCT NAME:
- SEAL
$29.95 -
PROX Crank Seal Kit - KTM60/65SX 42.6017
PROX
$15.68PROX Crank Seal Kit KTM60/65SX 42.6017OEM quality, All seals necessary for complete crank rebuild included9350319- SKU:
- 9350319
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SEAL
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
- TYPE:
- OIL
- RIDING STYLE:
- OFF-ROAD
$15.68 -
PROX Crank Seal Kit - KTM65SX 42.6029
PROX
$21.18PROX Crank Seal Kit KTM65SX 42.6029OEM quality, All seals necessary for complete crank rebuild included9350320- SKU:
- 9350320
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
- TYPE:
- OIL
$21.18 -
PROX Crank Seal Kit - KTM85SX 42.6103
PROX
$25.95PROX Crank Seal Kit KTM85SX 42.6103OEM quality, All seals necessary for complete crank rebuild included9350321- SKU:
- 9350321
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL
- TYPE:
- OIL
- APPLICATION:
- CRANKSHAFT
$25.95Qty in Cart: 0Quantity:Price:$25.95Subtotal: -
PROX Crank Seal Kit 42.6218
PROX
$14.95PROX Crank Seal Kit 42.6218OEM quality, All seals necessary for complete crank rebuild included9350322- SKU:
- 9350322
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- OIL
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
$14.95Qty in Cart: 0Quantity:Price:$14.95Subtotal: -
PROX Crank Seal Kit - KTM250/300 42.6320
PROX
$19.95PROX Crank Seal Kit KTM250/300 42.6320OEM quality, All seals necessary for complete crank rebuild included9350323- SKU:
- 9350323
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL
- TYPE:
- OIL
$19.95 -
PROX Crank Seal Kit - KTM50 42.6011
PROX
$14.95PROX Crank Seal Kit KTM50 42.6011OEM quality, All seals necessary for complete crank rebuild included9350605- SKU:
- 9350605
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- OIL
- PRODUCT NAME:
- SEAL
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$14.95 -
PROX Crank Seal Kit - KTM350SXF 42.6351
PROX
$26.71PROX Crank Seal Kit KTM350SXF 42.6351OEM quality, All seals necessary for complete crank rebuild included9350459- SKU:
- 9350459
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL
- TYPE:
- OIL
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
$26.71Qty in Cart: 0Quantity:Price:$26.71Subtotal: -
PROX Crank Seal Kit - RMZ250 42.3340
PROX
$24.95PROX Crank Seal Kit RMZ250 42.3340OEM quality, All seals necessary for complete crank rebuild included9350460- SKU:
- 9350460
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SEAL
- TYPE:
- OIL
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$24.95 -
PROX Gasket Kit - Complete - Honda 34.1115
PROX
$80.08PROX Gasket Kit Complete Honda 34.1115PROX Gasket Kit - Complete - Honda9345517- SKU:
- 9345517
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- GASKET KIT
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
$80.08 -
PROX Gasket Kit - Complete - Honda 34.1212
PROX
$80.84PROX Gasket Kit Complete Honda 34.1212PROX Gasket Kit - Complete - Honda9345518- SKU:
- 9345518
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- GASKET KIT
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
$80.84 -
PROX Gasket Kit - Complete - Honda 34.1218
PROX
$89.95PROX Gasket Kit Complete Honda 34.1218PROX Gasket Kit - Complete - Honda9345519- SKU:
- 9345519
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
$89.95
