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!
- Dirt Bike Cams and Parts
- Dirt Bike Connecting Rods and Parts
- Dirt Bike Crankcases and Parts
- Dirt Bike Crankshafts and Parts
- Dirt Bike Cylinder Heads and Parts
- Dirt Bike Cylinders and Parts
- Dirt Bike Engine Bearings
- Dirt Bike Engine Covers
- Dirt Bike Engine Gaskets and Kits
- Dirt Bike Engine Rebuild Kits
- Dirt Bike Engine Seals - Orings and Kits
- Dirt Bike Engine Valves and Parts
- Dirt Bike Flywheel and Rod Assemblies
- Dirt Bike Fuel Filters
- Dirt Bike Miscellaneous Engine Parts
- Dirt Bike Oil Coolers
- Dirt Bike Oil Filters
- Dirt Bike Oil Lines
- Dirt Bike Oil Pumps
- Dirt Bike Piston and Ring Kits
- Dirt Bike Piston Rings Only
- Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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PROX Crank Bearing and Seal Kit 23.CBS33000
PROX
$78.50PROX Crank Bearing and Seal Kit 23.CBS33000Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240335- SKU:
- 9240335
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- 2-STROKE
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- BALL
$78.50 -
PROX Crank Bearing and Seal Kit 23.CBS33003
PROX
$78.50PROX Crank Bearing and Seal Kit 23.CBS33003Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240336- SKU:
- 9240336
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- UNITS:
- KIT
- STYLE:
- 2-STROKE
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- BALL
$78.50 -
PROX Crank Bearing and Seal Kit 23.CBS33007
PROX
$143.30PROX Crank Bearing and Seal Kit 23.CBS33007Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240337- SKU:
- 9240337
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
- STYLE:
- 4-STROKE
- PRODUCT NAME:
- BEARING AND SEAL KIT
$143.30 -
PROX Crank Bearing and Seal Kit 23.CBS33010
PROX
$149.95PROX Crank Bearing and Seal Kit 23.CBS33010Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240338- SKU:
- 9240338
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- STYLE:
- 4-STROKE
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
$149.95 -
PROX Crank Bearing and Seal Kit 23.CBS33086
PROX
$62.88PROX Crank Bearing and Seal Kit 23.CBS33086Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240339- SKU:
- 9240339
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$62.88Qty in Cart: 0Quantity:Price:$62.88Subtotal: -
PROX Crank Bearing and Seal Kit 23.CBS33090
PROX
$58.37PROX Crank Bearing and Seal Kit 23.CBS33090Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240342- SKU:
- 9240342
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- STREET
- STYLE:
- 4-STROKE
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING SET
- UNITS:
- KIT
$58.37Qty in Cart: 0Quantity:Price:$58.37Subtotal: -
PROX Crank Bearing and Seal Kit 23.CBS33094
PROX
$79.04PROX Crank Bearing and Seal Kit 23.CBS33094Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240343- SKU:
- 9240343
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- 2-STROKE
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- BALL
$79.04 -
PROX Crank Bearing and Seal Kit 23.CBS33096
PROX
$83.42PROX Crank Bearing and Seal Kit 23.CBS33096Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240344- SKU:
- 9240344
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- 2-STROKE
- TYPE:
- BALL
$83.42 -
PROX Crank Bearing and Seal Kit 23.CBS34005
PROX
$113.37PROX Crank Bearing and Seal Kit 23.CBS34005Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240346- SKU:
- 9240346
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
- STYLE:
- 4-STROKE
- PRODUCT NAME:
- BEARING SET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$113.37 -
PROX Crank Bearing and Seal Kit 23.CBS34008
PROX
$148.21PROX Crank Bearing and Seal Kit 23.CBS34008Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240347- SKU:
- 9240347
- Availability:
- Ships Same Business Day
- Weight:
- 1.73 LBS
- PRODUCT NAME:
- BEARING AND SEAL KIT
- STYLE:
- 4-STROKE
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$148.21 -
PROX Crank Bearing and Seal Kit 23.CBS42085
PROX
$65.95PROX Crank Bearing and Seal Kit 23.CBS42085Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240351- SKU:
- 9240351
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
$65.95Qty in Cart: 0Quantity:Price:$65.95Subtotal: -
PROX Crank Bearing and Seal Kit 23.CBS42088
PROX
$65.95PROX Crank Bearing and Seal Kit 23.CBS42088Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240352- SKU:
- 9240352
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- UNITS:
- KIT
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING AND SEAL KIT
- APPLICATION:
- CRANKSHAFT
$65.95 -
PROX Crank Bearing and Seal Kit 23.CBS42092
PROX
$65.95PROX Crank Bearing and Seal Kit 23.CBS42092Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240353- SKU:
- 9240353
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- STYLE:
- 2-STROKE
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- BALL
$65.95 -
PROX Crank Bearing and Seal Kit 23.CBS43003
PROX
$140.62PROX Crank Bearing and Seal Kit 23.CBS43003Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240355- SKU:
- 9240355
- Availability:
- Ships Same Business Day
- Weight:
- 1.69 LBS
- APPLICATION:
- CRANKSHAFT
- STYLE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- BALL
$140.62 -
PROX Crank Bearing and Seal Kit 23.CBS43004
PROX
$89.84PROX Crank Bearing and Seal Kit 23.CBS43004Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240356- SKU:
- 9240356
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- BEARING AND SEAL KIT
- STYLE:
- 4-STROKE
- TYPE:
- BALL
$89.84 -
PROX Crank Bearing and Seal Kit 23.CBS43087
PROX
$78.30PROX Crank Bearing and Seal Kit 23.CBS43087Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240357- SKU:
- 9240357
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING AND SEAL KIT
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
$78.30 -
PROX Crank Bearing and Seal Kit 23.CBS43187
PROX
MSRP: $78.99Now: $51.34Was: $78.99PROX Crank Bearing and Seal Kit 23.CBS43187Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240358- SKU:
- 9240358
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- STYLE:
- 2-STROKE
- TYPE:
- BALL
MSRP: $78.99Now: $51.34Was: $78.99 -
PROX Crank Bearing and Seal Kit 23.CBS45088
PROX
$65.95PROX Crank Bearing and Seal Kit 23.CBS45088Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240359- SKU:
- 9240359
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- UNITS:
- KIT
$65.95Qty in Cart: 0Quantity:Price:$65.95Subtotal: -
PROX Crank Bearing and Seal Kit 23.CBS61009
PROX
$55.95PROX Crank Bearing and Seal Kit 23.CBS61009Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240361- SKU:
- 9240361
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- APPLICATION:
- CRANKSHAFT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- BALL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- UNITS:
- KIT
$55.95 -
PROX Crank Bearing and Seal Kit 23.CBS61097
PROX
$50.02PROX Crank Bearing and Seal Kit 23.CBS61097Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts9240362- SKU:
- 9240362
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- APPLICATION:
- CRANKSHAFT
- TYPE:
- BALL
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- UNITS:
- KIT
$50.02Qty in Cart: 0Quantity:Price:$50.02Subtotal: