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
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- Quantity
- Price
- Subtotal
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On Sale
POWERSTANDS RACING Oil Cap Kit - Red - M20 x 2.5 00-01318-24
POWERSTANDS RACING
MSRP: $54.95Now: $35.72Was: $54.95POWERSTANDS RACING Oil Cap Kit Red M20 x 2.5 00-01318-24CNC-machined from high-quality aluminum, E-clip is already safety wired to a mounting tab and the wire covered with silicon tubing that will not melt or discolor, Excellent resistance to extreme heat9500567- SKU:
- 9500567
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- ANODIZED
- DIAMETER - THREAD SIZE IMPERIAL:
- M20 X 2.5
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- CAP KIT
- TYPE:
- OIL FILLER
- UNITS:
- KIT
MSRP: $54.95Now: $35.72Was: $54.95 -
On Sale
POWERSTANDS RACING Oil Cap Kit - Blue - M14 x 1.5 00-01317-25
POWERSTANDS RACING
MSRP: $31.95Now: $20.77Was: $31.95POWERSTANDS RACING Oil Cap Kit Blue M14 x 1.5 00-01317-25CNC-machined from high-quality aluminum, E-clip is already safety wired to a mounting tab and the wire covered with silicon tubing that will not melt or discolor, Excellent resistance to extreme...9500565- SKU:
- 9500565
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CAP KIT
- TYPE:
- OIL FILLER
- DIAMETER - THREAD SIZE IMPERIAL:
- M14 X 1.5
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
MSRP: $31.95Now: $20.77Was: $31.95 -
BOYESEN Impeller/Waterpump Cover WPK06AM
BOYESEN
$194.95BOYESEN Impeller/Waterpump Cover WPK06AMAn aluminum investment-cast water pump cover and impeller combo; specifically designed to enhance the performance of your engines cooling system, This high-flow, hydrodynamic water pump kit has been tested and...9400897- SKU:
- 9400897
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPERCOOLER
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- RIDING STYLE:
- OFF-ROAD
- BASE FINISH:
- POWDER-COATED
- UNITS:
- KIT
- TYPE:
- WATER PUMP
- COLOR/FINISH:
- MAGNESIUM
- MATERIAL:
- ALUMINUM
$194.95 -
BOYESEN Impeller/Waterpump Cover WPK06AB
BOYESEN
$194.95BOYESEN Impeller/Waterpump Cover WPK06ABAn aluminum investment-cast water pump cover and impeller combo; specifically designed to enhance the performance of your engines cooling system, This high-flow, hydrodynamic water pump kit has been tested and...9400896- SKU:
- 9400896
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- SUPERCOOLER
- PRODUCT NAME:
- COVER AND IMPELLER KIT
$194.95 -
WINDEROSA Oil Seal - JS300/Ultra150 622100
WINDEROSA
$13.00WINDEROSA Oil Seal JS300/Ultra150 622100WINDEROSA Oil Seal - JS300/Ultra1509351109- SKU:
- 9351109
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- KIT
- TYPE:
- OIL
- PRODUCT NAME:
- SEAL
$13.00Qty in Cart: 0Quantity:Price:$13.00Subtotal: -
On Sale
HOT RODS Output Shaft Seal OSK0057
HOT RODS
MSRP: $21.25Now: $19.76Was: $21.95HOT RODS Output Shaft Seal OSK0057A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...9350955- SKU:
- 9350955
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- SEAL KIT
- TYPE:
- OIL
- UNITS:
- KIT
- APPLICATION:
- COUNTERSHAFT
- RIDING STYLE:
- OFF-ROAD
MSRP: $21.25Now: $19.76Was: $21.95 -
On Sale
HOT RODS Output Shaft Seal OSK0058
HOT RODS
MSRP: $28.95Now: $26.96Was: $29.95HOT RODS Output Shaft Seal OSK0058A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...9350954- SKU:
- 9350954
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- COUNTERSHAFT
- TYPE:
- OIL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
MSRP: $28.95Now: $26.96Was: $29.95 -
On Sale
CYLINDER WORKS Power Valve - Big Bore CW-PV-K02
CYLINDER WORKS
MSRP: $324.95Now: $297.86Was: $330.95CYLINDER WORKS Power Valve Big Bore CW-PV-K02Maintain peak performance, CNC-machined, Hard anodized finish, Made in the U.S.A.9350953- SKU:
- 9350953
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- STEEL
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- POWER VALVE
- BORE SIZE METRIC:
- 72.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $324.95Now: $297.86Was: $330.95 -
On Sale
CYLINDER WORKS Power Valve - Standard Bore CW-PV-K01
CYLINDER WORKS
MSRP: $230.95Now: $207.86Was: $230.95CYLINDER WORKS Power Valve Standard Bore CW-PV-K01Maintain peak performance, CNC-machined, Hard anodized finish, Made in the U.S.A.9350952- SKU:
- 9350952
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- STOCK BORE CYLINDER
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- POWER VALVE
- COLOR/FINISH:
- ANODIZED
MSRP: $230.95Now: $207.86Was: $230.95 -
COMETIC Crank Seal Kit C7803
COMETIC
$17.95COMETIC Crank Seal Kit C7803Gaskets and gasket sets used by professionals in high-performance machines and as OE replacements worldwide, Domestically made sets include the correct amount of seals for one application, Made in the U.S.A.9350811- SKU:
- 9350811
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
- TYPE:
- OIL
$17.95 -
COMETIC Oil Seals - Honda C7116OS
COMETIC
$45.95COMETIC Oil Seals Honda C7116OSGaskets and gasket sets used by professionals in high-performance machines and as OE replacements worldwide, Domestically made sets include the correct amount of seals for one application, Made in the U.S.A.9350768- SKU:
- 9350768
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- ENGINE
- TYPE:
- OIL
- BORE SIZE METRIC:
- 66.50 MM
- BORE SIZE:
- 66,50 MM
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$45.95Qty in Cart: 0Quantity:Price:$45.95Subtotal: -
On Sale
HOT RODS Seal Output Shaft OSK0031
HOT RODS
MSRP: $28.95Now: $26.96Was: $29.95HOT RODS Seal Output Shaft OSK0031A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...9350594- SKU:
- 9350594
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SEAL
- UNITS:
- KIT
- APPLICATION:
- COUNTERSHAFT
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
MSRP: $28.95Now: $26.96Was: $29.95 -
On Sale
HOT RODS Seal Output Shaft OSK0030
HOT RODS
MSRP: $24.95Now: $22.46Was: $24.95HOT RODS Seal Output Shaft OSK0030A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...9350593- SKU:
- 9350593
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- COUNTERSHAFT
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $24.95Now: $22.46Was: $24.95 -
On Sale
HOT RODS Seal Output Shaft OSK0029
HOT RODS
MSRP: $29.95Now: $27.86Was: $30.95HOT RODS Seal Output Shaft OSK0029A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...9350592- SKU:
- 9350592
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- COUNTERSHAFT
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL
MSRP: $29.95Now: $27.86Was: $30.95 -
On Sale
HOT RODS Seal Output Shaft OSK0026
HOT RODS
MSRP: $28.95Now: $26.96Was: $29.95HOT RODS Seal Output Shaft OSK0026A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...9350590- SKU:
- 9350590
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- APPLICATION:
- COUNTERSHAFT
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL
MSRP: $28.95Now: $26.96Was: $29.95 -
On Sale
HOT RODS Seal Output Shaft OSK0024
HOT RODS
MSRP: $20.15Now: $18.86Was: $20.95HOT RODS Seal Output Shaft OSK0024A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...9350588- SKU:
- 9350588
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- COUNTERSHAFT
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL
MSRP: $20.15Now: $18.86Was: $20.95 -
On Sale
HOT RODS Seal Output Shaft OSK0023
HOT RODS
MSRP: $22.95Now: $20.66Was: $22.95HOT RODS Seal Output Shaft OSK0023A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...9350587- SKU:
- 9350587
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- COUNTERSHAFT
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $22.95Now: $20.66Was: $22.95 -
On Sale
HOT RODS Seal Output Shaft OSK0022
HOT RODS
MSRP: $26.95Now: $24.26Was: $26.95HOT RODS Seal Output Shaft OSK0022A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...9350586- SKU:
- 9350586
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- COUNTERSHAFT
- APPLICATION:
- TRANSMISSION
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $26.95Now: $24.26Was: $26.95 -
On Sale
HOT RODS Seal Output Shaft OSK0020
HOT RODS
MSRP: $26.95Now: $24.26Was: $26.95HOT RODS Seal Output Shaft OSK0020A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...9350584- SKU:
- 9350584
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- COUNTERSHAFT
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $26.95Now: $24.26Was: $26.95 -
On Sale
HOT RODS Seal Output Shaft OSK0019
HOT RODS
MSRP: $29.95Now: $27.86Was: $30.95HOT RODS Seal Output Shaft OSK0019A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...9350583- SKU:
- 9350583
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- COUNTERSHAFT
- APPLICATION:
- TRANSMISSION
MSRP: $29.95Now: $27.86Was: $30.95
