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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WISECO Ring Set 1634CD
WISECO
$50.78WISECO Ring Set 1634CDEach ring set is for one piston9120136- SKU:
- 9120136
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$50.78Qty in Cart: 0Quantity:Price:$50.78Subtotal: -
WISECO Ring Set 7700YC
WISECO
$59.95WISECO Ring Set 7700YCEach ring set is for one piston9120140- SKU:
- 9120140
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- DISPLACEMENT:
- 250 CC
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 77.00 MM
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$59.95 -
WISECO Wrist Pin S592
WISECO
$23.99WISECO Wrist Pin S592Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperatures9130005- SKU:
- 9130005
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- APPLICATION:
- PISTON
- LENGTH:
- 41,40 MM
- LENGTH METRIC:
- 41.40 MM
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 13,00 MM
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
$23.99 -
WISECO Wrist Pin S485
WISECO
$22.99WISECO Wrist Pin S485Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperatures9130006- SKU:
- 9130006
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- LENGTH:
- 54 MM
- OUTSIDE DIAMETER:
- 14,00 MM
- OUTSIDE DIAMETER METRIC:
- 14.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- MATERIAL:
- ALUMINUM
- LENGTH METRIC:
- 54.00 MM
- PRODUCT NAME:
- WRIST PIN
$22.99 -
WISECO Wrist Pin S686
WISECO
$18.99WISECO Wrist Pin S686Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperatures9130008- SKU:
- 9130008
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- LENGTH:
- 52,2 MM
- LENGTH METRIC:
- 52.2 MM
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 16,00 MM
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER METRIC:
- 16.00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
$18.99 -
WISECO Crankshaft with Bearing and Gasket WPC159
WISECO
$524.95WISECO Crankshaft with Bearing and Gasket WPC159Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210140- SKU:
- 9210140
- Availability:
- Ships Same Business Day
- Weight:
- 10.06 LBS
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 52.20 MM
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$524.95 -
WISECO Crankshaft with Bearing and Gasket WPC144
WISECO
$574.95WISECO Crankshaft with Bearing and Gasket WPC144Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210141- SKU:
- 9210141
- Availability:
- Ships Same Business Day
- Weight:
- 10.10 LBS
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 53.60 MM
- TYPE:
- BOTTOM END
- UNITS:
- KIT
$574.95 -
WISECO Crankshaft with Bearing and Gasket WPC119
WISECO
$344.95WISECO Crankshaft with Bearing and Gasket WPC119Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210089- SKU:
- 9210089
- Availability:
- Ships Same Business Day
- Weight:
- 6.31 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- BOTTOM END
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- FEATURES:
- INCLUDES BEARING AND GASKET
- STROKE LENGTH METRIC:
- 45.80 MM
$344.95 -
WISECO Crankshaft with Bearing and Gasket WPC101
WISECO
$459.95WISECO Crankshaft with Bearing and Gasket WPC101Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210090- SKU:
- 9210090
- Availability:
- Ships Same Business Day
- Weight:
- 12.72 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- BOTTOM END
- UNITS:
- KIT
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- FEATURES:
- INCLUDES BEARING AND GASKET
- STROKE LENGTH METRIC:
- 72.00 MM
$459.95 -
WISECO Crankshaft with Bearing and Gasket WPC117
WISECO
$339.95WISECO Crankshaft with Bearing and Gasket WPC117Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210093- SKU:
- 9210093
- Availability:
- Ships Same Business Day
- Weight:
- 5.28 LBS
- FEATURES:
- INCLUDES BEARING AND GASKET
- MATERIAL:
- STEEL
- TYPE:
- BOTTOM END
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 41.60 MM
- UNITS:
- KIT
$339.95Qty in Cart: 0Quantity:Price:$339.95Subtotal: -
WISECO Crankshaft with Bearing and Gasket WPC115
WISECO
$314.95WISECO Crankshaft with Bearing and Gasket WPC115Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210094- SKU:
- 9210094
- Availability:
- Ships Same Business Day
- Weight:
- 6.70 LBS
- FEATURES:
- INCLUDES BEARING AND GASKET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- BOTTOM END
- STROKE LENGTH METRIC:
- 47.80 MM
$314.95Qty in Cart: 0Quantity:Price:$314.95Subtotal: -
WISECO Crankshaft with Bearing and Gasket WPC121
WISECO
$399.95WISECO Crankshaft with Bearing and Gasket WPC121Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210095- SKU:
- 9210095
- Availability:
- Ships Same Business Day
- Weight:
- 9.23 LBS
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- UNITS:
- KIT
$399.95 -
WISECO Crankshaft with Bearing and Gasket WPC125
WISECO
$384.95WISECO Crankshaft with Bearing and Gasket WPC125Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210096- SKU:
- 9210096
- Availability:
- Ships Same Business Day
- Weight:
- 8.02 LBS
- STROKE LENGTH METRIC:
- 54.50 MM
- FEATURES:
- INCLUDES BEARING AND GASKET
- TYPE:
- BOTTOM END
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$384.95 -
WISECO Crankshaft with Bearing and Gasket WPC134
WISECO
$434.95WISECO Crankshaft with Bearing and Gasket WPC134Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210097- SKU:
- 9210097
- Availability:
- Ships Same Business Day
- Weight:
- 12.16 LBS
- STROKE LENGTH METRIC:
- 72.00 MM
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$434.95 -
WISECO Crankshaft with Bearing and Gasket WPC140
WISECO
$554.95WISECO Crankshaft with Bearing and Gasket WPC140Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210098- SKU:
- 9210098
- Availability:
- Ships Same Business Day
- Weight:
- 8.65 LBS
- STROKE LENGTH METRIC:
- 53.60 MM
- TYPE:
- BOTTOM END
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- MATERIAL:
- STEEL
$554.95 -
WISECO Crankshaft with Bearing and Gasket WPC123
WISECO
$339.95WISECO Crankshaft with Bearing and Gasket WPC123Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210099- SKU:
- 9210099
- Availability:
- Ships Same Business Day
- Weight:
- 6.27 LBS
- STROKE LENGTH METRIC:
- 47.80 MM
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- BOTTOM END
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$339.95 -
WISECO Crankshaft with Bearing and Gasket WPC124
WISECO
$384.95WISECO Crankshaft with Bearing and Gasket WPC124Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210100- SKU:
- 9210100
- Availability:
- Ships Same Business Day
- Weight:
- 8.06 LBS
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- UNITS:
- KIT
- TYPE:
- BOTTOM END
$384.95 -
WISECO Crankshaft with Bearing and Gasket WPC122
WISECO
$344.95WISECO Crankshaft with Bearing and Gasket WPC122Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210101- SKU:
- 9210101
- Availability:
- Ships Same Business Day
- Weight:
- 6.24 LBS
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- TYPE:
- BOTTOM END
- UNITS:
- KIT
$344.95 -
WISECO Crankshaft with Bearing and Gasket WPC127
WISECO
$464.95WISECO Crankshaft with Bearing and Gasket WPC127Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210102- SKU:
- 9210102
- Availability:
- Ships Same Business Day
- Weight:
- 12.30 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- FEATURES:
- INCLUDES BEARING AND GASKET
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 72.00 MM
- TYPE:
- BOTTOM END
- UNITS:
- KIT
$464.95Qty in Cart: 0Quantity:Price:$464.95Subtotal: -
WISECO Crankshaft with Bearing and Gasket WPC130
WISECO
$339.95WISECO Crankshaft with Bearing and Gasket WPC130Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job, Only one part number to stock and order, Crankshafts...9210103- SKU:
- 9210103
- Availability:
- Ships Same Business Day
- Weight:
- 5.92 LBS
- STROKE LENGTH METRIC:
- 41.60 MM
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- FEATURES:
- INCLUDES BEARING AND GASKET
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- BOTTOM END
- UNITS:
- KIT
$339.95
