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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HOT CAMS Valve Shim - 7.48 x 1.20 - 5 pack 5PK748120
HOT CAMS
$8.95HOT CAMS Valve Shim 7.48 x 1.20 5 pack 5PK748120Replacement packs of shims to refill Valve Shim Kits9261302- SKU:
- 9261302
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 7.48 MM
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 1.20 MM
$8.95 -
HOT CAMS Camshaft 4012-1IN
HOT CAMS
$280.95High-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepower,...YZ250S1AI- SKU:
- YZ250S1AI
- Weight:
- 0.90 LBS
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 249°
- INTAKE LIFT METRIC:
- 8.48 MM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CAMSHAFT
$280.95 -
HOT CAMS Camshaft 4002-1IN
HOT CAMS
$245.95High-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepower,...YZ426S1AI- SKU:
- YZ426S1AI
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- CAMSHAFT
- INTAKE LIFT METRIC:
- 8.80 MM
- INTAKE DURATION IMPERIAL:
- 260°
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$245.95 -
HOT CAMS Camshaft 1009-1
HOT CAMS
$327.95High-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepower,...XR650S1A- SKU:
- XR650S1A
- Weight:
- 1.40 LBS
- INTAKE DURATION IMPERIAL:
- 254°
- EXHAUST DURATION IMPERIAL:
- 251°
- INTAKE LIFT METRIC:
- 9.26 MM
- TYPE:
- STAGE 1
- APPLICATION:
- EXHAUST
- EXHAUST LIFT METRIC:
- 9.20 MM
- PRODUCT NAME:
- CAMSHAFT
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$327.95 -
HOT CAMS Camshaft 1010-2
HOT CAMS
$327.95High-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepower,...XR650S2A- SKU:
- XR650S2A
- Weight:
- 1.40 LBS
- APPLICATION:
- INTAKE
- EXHAUST LIFT METRIC:
- 9.50 MM
- INTAKE LIFT METRIC:
- 9.57 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- INTAKE DURATION IMPERIAL:
- 265°
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- EXHAUST DURATION IMPERIAL:
- 260°
$327.95 -
HOT CAMS Camshaft 3015-1
HOT CAMS
$268.95HOT CAMS Camshaft 3015-1High-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide...KTM520S1A- SKU:
- KTM520S1A
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 1
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 261°
- INTAKE LIFT METRIC:
- 10.80 MM
- EXHAUST LIFT METRIC:
- 10.20 MM
- INTAKE DURATION IMPERIAL:
- 271°
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- ATV
$268.95 -
HOT CAMS Exhaust Camshaft 2321-1E
HOT CAMS
$268.95HOT CAMS Exhaust Camshaft 2321-1EHigh-performance racing camshafts, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepower, Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams...9251195- SKU:
- 9251195
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 248.35°
- RIDING STYLE:
- OFF-ROAD
- EXHAUST LIFT METRIC:
- 9.70 MM
- TYPE:
- STAGE 1
- PRODUCT NAME:
- CAMSHAFT
$268.95 -
HOT CAMS Exhaust Camshaft 2323-2E
HOT CAMS
$268.95HOT CAMS Exhaust Camshaft 2323-2EHigh-performance racing camshafts, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepower, Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams...9251196- SKU:
- 9251196
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- EXHAUST LIFT METRIC:
- 9.04 MM
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 259.02°
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- RIDING STYLE:
- OFF-ROAD
$268.95 -
HOT CAMS Camshaft 4324-1IN
HOT CAMS
$268.95HOT CAMS Camshaft 4324-1INHigh-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide...9251197- SKU:
- 9251197
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- INTAKE LIFT METRIC:
- 9.47 MM
- TYPE:
- STAGE 1
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 248.44°
$268.95 -
HOT CAMS Exhaust Camshaft 4325-1E
HOT CAMS
$263.95HOT CAMS Exhaust Camshaft 4325-1EHigh-performance racing camshafts, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepower, Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams...9251198- SKU:
- 9251198
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 1
- EXHAUST DURATION IMPERIAL:
- 245.59°
- UNITS:
- EACH
- EXHAUST LIFT METRIC:
- 8.59 MM
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
$263.95 -
HOT CAMS Camshaft 4326-2IN
HOT CAMS
$268.95HOT CAMS Camshaft 4326-2INHigh-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide...9251199- SKU:
- 9251199
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- INTAKE LIFT METRIC:
- 9.91 MM
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 256.89°
- RIDING STYLE:
- OFF-ROAD
$268.95 -
HOT CAMS Exhaust Camshaft 4327-2E
HOT CAMS
$268.95HOT CAMS Exhaust Camshaft 4327-2EHigh-performance racing camshafts, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepower, Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams...9251200- SKU:
- 9251200
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- EXHAUST LIFT METRIC:
- 9.02 MM
- UNITS:
- EACH
- EXHAUST DURATION IMPERIAL:
- 252.83°
- RIDING STYLE:
- OFF-ROAD
$268.95 -
HOT CAMS Camshaft 1259-1
HOT CAMS
$374.95HOT CAMS Camshaft 1259-1High-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide...9250843- SKU:
- 9250843
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- INTAKE DURATION IMPERIAL:
- 236°
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- EXHAUST LIFT METRIC:
- 8.57 MM
- INTAKE LIFT METRIC:
- 9.58 MM
- TYPE:
- STAGE 1
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 270°
$374.95 -
HOT CAMS Camshaft 1260-2
HOT CAMS
$374.95HOT CAMS Camshaft 1260-2High-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide...9250844- SKU:
- 9250844
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- EXHAUST LIFT METRIC:
- 9.04 MM
- EXHAUST DURATION IMPERIAL:
- 265°
- INTAKE DURATION IMPERIAL:
- 254°
- INTAKE LIFT METRIC:
- 10.38 MM
$374.95 -
HOT CAMS Cam Chain HC92RH2010114
HOT CAMS
$60.95HOT CAMS Cam Chain HC92RH2010114Silent chain, Exclusive heat-treated links create excellent friction and impact resistance, Engineered to exceed OEM specifications and tolerances9250845- SKU:
- 9250845
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BASE FINISH:
- RAW
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MODEL:
- SILENT
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 92RH2010
- PRODUCT NAME:
- CHAIN
- TYPE:
- CAM
$60.95 -
HOT CAMS Camshaft 1265-2
HOT CAMS
$362.95HOT CAMS Camshaft 1265-2High-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide...9250846- SKU:
- 9250846
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- EXHAUST DURATION IMPERIAL:
- 266°
- INTAKE LIFT METRIC:
- 9.14 MM
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- INTAKE DURATION IMPERIAL:
- 255°
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- EXHAUST LIFT METRIC:
- 8.84 MM
- TYPE:
- STAGE 2
$362.95 -
HOT CAMS Camshaft 2251-2IN
HOT CAMS
$241.95HOT CAMS Camshaft 2251-2INHigh-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide...9250693- SKU:
- 9250693
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- INTAKE LIFT METRIC:
- 9.07 MM
- PRODUCT NAME:
- CAMSHAFT
- INTAKE DURATION IMPERIAL:
- 238.5°
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$241.95 -
HOT CAMS Exhaust Camshaft 2252-2E
HOT CAMS
$267.95HOT CAMS Exhaust Camshaft 2252-2EHigh-performance racing camshafts, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepower, Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams...9250694- SKU:
- 9250694
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- EXHAUST LIFT METRIC:
- 9.07 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- EXHAUST DURATION IMPERIAL:
- 238°
- APPLICATION:
- EXHAUST
- TYPE:
- STAGE 2
$267.95 -
HOT CAMS Camshaft 3225-1IN
HOT CAMS
$200.95HOT CAMS Camshaft 3225-1INHigh-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide...9250697- SKU:
- 9250697
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- INTAKE DURATION IMPERIAL:
- 238°
- INTAKE LIFT METRIC:
- 10.16 MM
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 1
$200.95Qty in Cart: 0Quantity:Price:$200.95Subtotal: -
HOT CAMS Camshaft 3227-2IN
HOT CAMS
$200.95HOT CAMS Camshaft 3227-2INHigh-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide...9250699- SKU:
- 9250699
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 253°
- INTAKE LIFT METRIC:
- 10.73 MM
- UNITS:
- EACH
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- RIDING STYLE:
- OFF-ROAD
$200.95
