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
-
HOT CAMS Camshaft 1080-2
HOT CAMS
$304.95HOT CAMS Camshaft 1080-2High-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...9250132- SKU:
- 9250132
- Availability:
- Ships Same Business Day
- Weight:
- 1.47 LBS
- INTAKE DURATION IMPERIAL:
- 254°
- APPLICATION:
- EXHAUST
- INTAKE LIFT METRIC:
- 8.70 MM
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 2
- EXHAUST DURATION IMPERIAL:
- 273.5°
- UNITS:
- EACH
- APPLICATION:
- INTAKE
- EXHAUST LIFT METRIC:
- 7.75 MM
- RIDING STYLE:
- OFF-ROAD
$304.95 -
HOT CAMS Camshaft 1039-1
HOT CAMS
$361.95HOT CAMS Camshaft 1039-1High-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...9250049- SKU:
- 9250049
- Availability:
- Ships Same Business Day
- Weight:
- 1.12 LBS
- INTAKE DURATION IMPERIAL:
- 244°
- INTAKE LIFT METRIC:
- 8.10 MM
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 1
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 250°
- EXHAUST LIFT METRIC:
- 8.10 MM
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
$361.95 -
HOT CAMS Camshaft 2041-1IN
HOT CAMS
$245.95HOT CAMS Camshaft 2041-1INHigh-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...9250050- SKU:
- 9250050
- Availability:
- Ships Same Business Day
- Weight:
- 0.87 LBS
- TYPE:
- STAGE 1
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 253°
- INTAKE LIFT METRIC:
- 9.14 MM
- UNITS:
- EACH
$245.95 -
HOT CAMS Exhaust Camshaft 2040-1E
HOT CAMS
$245.95HOT CAMS Exhaust Camshaft 2040-1EHigh-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...9250051- SKU:
- 9250051
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- EXHAUST DURATION IMPERIAL:
- 244°
- EXHAUST LIFT METRIC:
- 7.98 MM
- TYPE:
- STAGE 1
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$245.95 -
HOT CAMS Camshaft 1056-3
HOT CAMS
$361.95HOT CAMS Camshaft 1056-3High-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...9250084- SKU:
- 9250084
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- ATV
- APPLICATION:
- EXHAUST
- EXHAUST DURATION IMPERIAL:
- 265°
- EXHAUST LIFT METRIC:
- 9.10 MM
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- INTAKE DURATION IMPERIAL:
- 254°
- INTAKE LIFT METRIC:
- 10.40 MM
- TYPE:
- STAGE 3
$361.95 -
HOT CAMS Exhaust Camshaft 4022-1E
HOT CAMS
$280.95HOT CAMS Exhaust Camshaft 4022-1EHigh-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...9250035- SKU:
- 9250035
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- CAMSHAFT
- TYPE:
- STAGE 1
- UNITS:
- EACH
- EXHAUST DURATION IMPERIAL:
- 265°
- EXHAUST LIFT METRIC:
- 8.67 MM
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
$280.95 -
HOT CAMS Exhaust Valve 8400002-1
HOT CAMS
$42.95HOT CAMS Exhaust Valve 8400002-1Forged one-piece OEM replacement valves, Precision machined valve head and seat surfaces, Nitride coated, Induction hardened valve stem tip, Precision polished surface, Compatible with OEM valve keepers9262904- SKU:
- 9262904
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- LENGTH METRIC:
- 84 MM
- APPLICATION:
- EXHAUST
- STEM DIAMETER METRIC:
- 4.970 MM
- OUTSIDE DIAMETER METRIC:
- 31.00 MM
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
$42.95 -
HOT CAMS Exhaust Valve 8400002-5
HOT CAMS
$44.95HOT CAMS Exhaust Valve 8400002-5Forged one-piece OEM replacement valves, Precision machined valve head and seat surfaces, Nitride coated, Induction hardened valve stem tip, Precision polished surface, Compatible with OEM valve keepers9262905- SKU:
- 9262905
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- STEM DIAMETER METRIC:
- 4.970 MM
- BASE COLOR:
- BLACK
- LENGTH METRIC:
- 84 MM
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER METRIC:
- 30 MM
- UNITS:
- EACH
$44.95 -
HOT CAMS Exhaust Valve 8400003-1
HOT CAMS
$42.95HOT CAMS Exhaust Valve 8400003-1Forged one-piece OEM replacement valves, Precision machined valve head and seat surfaces, Nitride coated, Induction hardened valve stem tip, Precision polished surface, Compatible with OEM valve keepers9262906- SKU:
- 9262906
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER METRIC:
- 29.00 MM
- STEM DIAMETER METRIC:
- 5.460 MM
- APPLICATION:
- EXHAUST
- LENGTH METRIC:
- 101 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
$42.95 -
HOT CAMS Intake Valve 8400003-2
HOT CAMS
$26.95HOT CAMS Intake Valve 8400003-2Forged one-piece OEM replacement valves, Precision machined valve head and seat surfaces, Nitride coated, Induction hardened valve stem tip, Precision polished surface, Compatible with OEM valve keepers9262907- SKU:
- 9262907
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- LENGTH METRIC:
- 103 MM
- BASE COLOR:
- BLACK
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- APPLICATION:
- INTAKE
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER METRIC:
- 33.00 MM
- RIDING STYLE:
- ATV
- STEM DIAMETER METRIC:
- 5.480 MM
- UNITS:
- EACH
$26.95 -
HOT CAMS Exhaust Valve 8400009-1
HOT CAMS
$58.95HOT CAMS Exhaust Valve 8400009-1Forged one-piece OEM replacement valves, Precision machined valve head and seat surfaces, Nitride coated, Induction hardened valve stem tip, Precision polished surface, Compatible with OEM valve keepers9262908- SKU:
- 9262908
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- LENGTH METRIC:
- 81.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- BASE COLOR:
- BLACK
- OUTSIDE DIAMETER METRIC:
- 29.00 MM
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 4.960 MM
$58.95 -
HOT CAMS Intake Valve 8400009-2
HOT CAMS
$44.95HOT CAMS Intake Valve 8400009-2Forged one-piece OEM replacement valves, Precision machined valve head and seat surfaces, Nitride coated, Induction hardened valve stem tip, Precision polished surface, Compatible with OEM valve keepers9262909- SKU:
- 9262909
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- LENGTH METRIC:
- 82.00 MM
- BASE COLOR:
- BLACK
- OUTSIDE DIAMETER METRIC:
- 36.00 MM
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 4.980 MM
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$44.95 -
HOT CAMS Exhaust Valve 8400020-1
HOT CAMS
$33.95HOT CAMS Exhaust Valve 8400020-1Forged one-piece OEM replacement valves, Precision machined valve head and seat surfaces, Nitride coated, Induction hardened valve stem tip, Precision polished surface, Compatible with OEM valve keepers9262910- SKU:
- 9262910
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- VALVE
- COLOR/FINISH:
- BLACK
- LENGTH METRIC:
- 80 MM
- OUTSIDE DIAMETER METRIC:
- 22.50 MM
- STEM DIAMETER METRIC:
- 4.470 MM
- UNITS:
- EACH
$33.95 -
HOT CAMS Intake Valve 8400020-2
HOT CAMS
$26.95HOT CAMS Intake Valve 8400020-2Forged one-piece OEM replacement valves, Precision machined valve head and seat surfaces, Nitride coated, Induction hardened valve stem tip, Precision polished surface, Compatible with OEM valve keepers9262911- SKU:
- 9262911
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- STEM DIAMETER METRIC:
- 4.48 MM
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
$26.95 -
HOT CAMS Exhaust Valve 8400027-1
HOT CAMS
$42.95HOT CAMS Exhaust Valve 8400027-1Forged one-piece OEM replacement valves, Precision machined valve head and seat surfaces, Nitride coated, Induction hardened valve stem tip, Precision polished surface, Compatible with OEM valve keepers9262912- SKU:
- 9262912
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- EXHAUST
- STEM DIAMETER METRIC:
- 4.970 MM
- COLOR/FINISH:
- BLACK
- BASE COLOR:
- BLACK
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$42.95 -
HOT CAMS Exhaust Valve 8400027-5
HOT CAMS
$45.95HOT CAMS Exhaust Valve 8400027-5Forged one-piece OEM replacement valves, Precision machined valve head and seat surfaces, Nitride coated, Induction hardened valve stem tip, Precision polished surface, Compatible with OEM valve keepers9262913- SKU:
- 9262913
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BLACK
- STEM DIAMETER METRIC:
- 4.980 MM
- APPLICATION:
- EXHAUST
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- VALVE
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$45.95 -
HOT CAMS Exhaust Valve 8400032-1
HOT CAMS
$42.95HOT CAMS Exhaust Valve 8400032-1Forged one-piece OEM replacement valves, Precision machined valve head and seat surfaces, Nitride coated, Induction hardened valve stem tip, Precision polished surface, Compatible with OEM valve keepers9262914- SKU:
- 9262914
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BLACK
- APPLICATION:
- EXHAUST
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- VALVE
- STEM DIAMETER METRIC:
- 4.470 MM
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$42.95 -
HOT CAMS Exhaust Valve 8400038-1
HOT CAMS
$53.95HOT CAMS Exhaust Valve 8400038-1Forged one-piece OEM replacement valves, Precision machined valve head and seat surfaces, Nitride coated, Induction hardened valve stem tip, Precision polished surface, Compatible with OEM valve keepers9262915- SKU:
- 9262915
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- BLACK
- BASE COLOR:
- BLACK
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- STEM DIAMETER METRIC:
- 5.96 MM
$53.95 -
HOT CAMS Intake Valve 8400038-2
HOT CAMS
$33.95HOT CAMS Intake Valve 8400038-2Forged one-piece OEM replacement valves, Precision machined valve head and seat surfaces, Nitride coated, Induction hardened valve stem tip, Precision polished surface, Compatible with OEM valve keepers9262916- SKU:
- 9262916
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- BLACK
- APPLICATION:
- INTAKE
- BASE COLOR:
- BLACK
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- RIDING STYLE:
- ATV
- STEM DIAMETER METRIC:
- 5.97 MM
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$33.95 -
HOT CAMS Camshaft 2313-2IN
HOT CAMS
$245.95HOT CAMS Camshaft 2313-2INHigh-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...9251244- SKU:
- 9251244
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- INTAKE DURATION IMPERIAL:
- 254°
- PRODUCT NAME:
- CAMSHAFT
- APPLICATION:
- INTAKE
- INTAKE LIFT METRIC:
- 10.41 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE 2
- UNITS:
- EACH
$245.95
