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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On Sale
HOT RODS Crank Bearings K042
HOT RODS
MSRP: $81.95Now: $75.56Was: $83.95HOT RODS Crank Bearings K042Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240159- SKU:
- 9240159
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- BALL
MSRP: $81.95Now: $75.56Was: $83.95 -
On Sale
HOT RODS Crank Bearings K043
HOT RODS
MSRP: $97.95Now: $89.96Was: $99.95HOT RODS Crank Bearings K043Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240160- SKU:
- 9240160
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $97.95Now: $89.96Was: $99.95 -
On Sale
HOT RODS Crank Bearings K050
HOT RODS
MSRP: $85.95Now: $79.16Was: $87.95HOT RODS Crank Bearings K050Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240161- SKU:
- 9240161
- Availability:
- Ships Same Business Day
- Weight:
- 1.58 LBS
- UNITS:
- SET
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
MSRP: $85.95Now: $79.16Was: $87.95 -
On Sale
HOT RODS Crank Bearings K055
HOT RODS
MSRP: $91.95Now: $84.56Was: $93.95HOT RODS Crank Bearings K055Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240165- SKU:
- 9240165
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- UNITS:
- SET
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
MSRP: $91.95Now: $84.56Was: $93.95 -
On Sale
HOT RODS Crank Bearings K056
HOT RODS
MSRP: $68.95Now: $62.96Was: $69.95HOT RODS Crank Bearings K056Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240166- SKU:
- 9240166
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- MAIN CRANKSHAFT
- TYPE:
- BALL
- UNITS:
- SET
- RIDING STYLE:
- STREET
MSRP: $68.95Now: $62.96Was: $69.95 -
On Sale
HOT RODS Crank Bearings K052
HOT RODS
MSRP: $76.95Now: $70.16Was: $77.95HOT RODS Crank Bearings K052Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240167- SKU:
- 9240167
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
MSRP: $76.95Now: $70.16Was: $77.95Qty in Cart: 0Quantity:Price:MSRP: $76.95Now: $70.16Was: $77.95Subtotal: -
On Sale
HOT RODS Crank Bearings K044
HOT RODS
MSRP: $85.95Now: $79.16Was: $87.95HOT RODS Crank Bearings K044Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240168- SKU:
- 9240168
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
MSRP: $85.95Now: $79.16Was: $87.95 -
On Sale
HOT RODS Crank Bearings K045
HOT RODS
MSRP: $63.95Now: $58.46Was: $64.95HOT RODS Crank Bearings K045Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240169- SKU:
- 9240169
- Availability:
- Ships Same Business Day
- Weight:
- 0.89 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- BALL
MSRP: $63.95Now: $58.46Was: $64.95 -
On Sale
HOT RODS Crank Bearings K041
HOT RODS
MSRP: $68.95Now: $62.96Was: $69.95HOT RODS Crank Bearings K041Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240116- SKU:
- 9240116
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $68.95Now: $62.96Was: $69.95 -
On Sale
HOT RODS Crank Bearings K048
HOT RODS
MSRP: $96.95Now: $89.06Was: $98.95HOT RODS Crank Bearings K048Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240119- SKU:
- 9240119
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $96.95Now: $89.06Was: $98.95 -
On Sale
HOT RODS Crank Bearings K058
HOT RODS
MSRP: $94.95Now: $87.26Was: $96.95HOT RODS Crank Bearings K058Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240126- SKU:
- 9240126
- Availability:
- Ships Same Business Day
- Weight:
- 1.62 LBS
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- UNITS:
- SET
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
MSRP: $94.95Now: $87.26Was: $96.95 -
On Sale
HOT RODS Crank Bearings K093
HOT RODS
MSRP: $128.95Now: $118.76Was: $131.95HOT RODS Crank Bearings K093Seal kits complement installation of Hot Rods crankshaft assemblies9240402- SKU:
- 9240402
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BEARING SET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $128.95Now: $118.76Was: $131.95 -
On Sale
HOT RODS Crank Bearings K089
HOT RODS
MSRP: $66.95Now: $61.16Was: $67.95HOT RODS Crank Bearings K089Seal kits complement installation of Hot Rods crankshaft assemblies9240403- SKU:
- 9240403
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- PRODUCT NAME:
- BEARING SET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $66.95Now: $61.16Was: $67.95 -
On Sale
HOT RODS Crankshaft - Stroker 4199
HOT RODS
MSRP: $369.95Now: $332.96Was: $369.95HOT RODS Crankshaft Stroker 4199Hot Rods has developed six long-stroke applications for ATVs, Special pistons for TRX400EX, KFX/LTZ 400, Banshee, Warrior and Raptor make these installations simple by avoiding machine work and parts typically required for...9210220- SKU:
- 9210220
- Availability:
- Ships Same Business Day
- Weight:
- 9.30 LBS
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- MATERIAL:
- 4140 STEEL
- MODEL:
- 4-CYCLE
- STROKE LENGTH:
- 56,60 MM
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 263 CC
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 56.60 MM
- TYPE:
- STROKER
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
MSRP: $369.95Now: $332.96Was: $369.95 -
On Sale
HOT RODS Crankshaft Kit CBKW002
HOT RODS
MSRP: $830.95Now: $763.16Was: $847.95HOT RODS Crankshaft Kit CBKW002Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...9210462- SKU:
- 9210462
- Availability:
- Ships Same Business Day
- Weight:
- 25.05 LBS
- TYPE:
- OEM
- UNITS:
- KIT
- RIDING STYLE:
- WATERCRAFT
- PRODUCT NAME:
- CRANKSHAFT KIT
MSRP: $830.95Now: $763.16Was: $847.95 -
On Sale
HOT RODS Crankshaft Kit 4427
HOT RODS
MSRP: $452.95Now: $415.76Was: $461.95HOT RODS Crankshaft Kit 4427Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely rebuildable...9210783- SKU:
- 9210783
- Availability:
- Ships Same Business Day
- Weight:
- 7.05 LBS
- DISPLACEMENT:
- 250 CC
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 53.60 MM
- TYPE:
- OEM STROKE
- FEATURES:
- STANDARD CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- 4-CYCLE
- COLOR/FINISH:
- STEEL
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- UNITS:
- ASSEMBLY
MSRP: $452.95Now: $415.76Was: $461.95 -
On Sale
HOT RODS Crankshaft Kit 4428
HOT RODS
MSRP: $420.95Now: $386.06Was: $428.95HOT RODS Crankshaft Kit 4428Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely rebuildable...9210784- SKU:
- 9210784
- Availability:
- Ships Same Business Day
- Weight:
- 9.85 LBS
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 4-CYCLE
- DISPLACEMENT:
- 450 CC
- MATERIAL:
- 4140 STEEL
- TYPE:
- OEM STROKE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- STEEL
- STROKE LENGTH METRIC:
- 62.10 MM
- UNITS:
- ASSEMBLY
MSRP: $420.95Now: $386.06Was: $428.95 -
On Sale
HOT RODS Bottom End Kit CBK0198
HOT RODS
MSRP: $763.51Now: $687.16Was: $763.51Kit features everything needed to complete crankshaft installation including Hot Rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for a complete engine rebuild, "Stroker Kits" crankshaft assemblies...9210532- SKU:
- 9210532
- Weight:
- 165.00 LBS
MSRP: $763.51Now: $687.16Was: $763.51Qty in Cart: 0Quantity:Price:MSRP: $763.51Now: $687.16Was: $763.51Subtotal: -
On Sale
HOT RODS Bottom End Kit 250 SX-F KTM 2012 CBK0200
HOT RODS
MSRP: $862.95Now: $776.66Was: $862.95Kit features everything needed to complete crankshaft installation including Hot Rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for a complete engine rebuild, "Stroker Kits" crankshaft assemblies...9210534- SKU:
- 9210534
- Weight:
- 10.35 LBS
MSRP: $862.95Now: $776.66Was: $862.95Qty in Cart: 0Quantity:Price:MSRP: $862.95Now: $776.66Was: $862.95Subtotal: -
On Sale
HOT RODS Bottom End Kit CBK0201
HOT RODS
MSRP: $927.95Now: $835.16Was: $927.95Kit features everything needed to complete crankshaft installation including Hot Rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for a complete engine rebuild, "Stroker Kits" crankshaft assemblies...9210535- SKU:
- 9210535
- Weight:
- 10.15 LBS
MSRP: $927.95Now: $835.16Was: $927.95Qty in Cart: 0Quantity:Price:MSRP: $927.95Now: $835.16Was: $927.95Subtotal:
