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
VERTEX Piston Kit 24198B
VERTEX
MSRP: $279.95Now: $257.36Was: $285.95VERTEX Piston Kit 24198BAll pistons are heat treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are gravity...9105135- SKU:
- 9105135
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE METRIC:
- +3.00 MM
- DISPLACEMENT:
- 480 CC
- PISTON DIAMETER METRIC:
- 98.96 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- +3,00 MM
- CYLINDER DIAMETER METRIC:
- 99.00 MM
- ENGINE TYPE:
- 4-STROKE
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- FORGED BIG BORE
MSRP: $279.95Now: $257.36Was: $285.95 -
On Sale
VERTEX Piston Kit 24198C
VERTEX
MSRP: $229.95Now: $206.96Was: $229.95VERTEX Piston Kit 24198CAll pistons are heat treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are gravity...9105136- SKU:
- 9105136
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- +3,00 MM
- CYLINDER DIAMETER METRIC:
- 99.00 MM
- DISPLACEMENT:
- 480 CC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 98.97 MM
- STYLE:
- FORGED BIG BORE
- ENGINE TYPE:
- 4-STROKE
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- BORE - OVERSIZE METRIC:
- +3.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
MSRP: $229.95Now: $206.96Was: $229.95 -
On Sale
VERTEX Piston Kit 24238A
VERTEX
MSRP: $268.95Now: $246.56Was: $273.95VERTEX Piston Kit 24238AAll pistons are heat treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are gravity...9105137- SKU:
- 9105137
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.0:1
- CYLINDER DIAMETER METRIC:
- 90.00 MM
- DISPLACEMENT:
- 366 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 89.96 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STYLE:
- FORGED BIG BORE
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
MSRP: $268.95Now: $246.56Was: $273.95 -
On Sale
VERTEX Piston Kit 24238B
VERTEX
MSRP: $268.95Now: $246.56Was: $273.95VERTEX Piston Kit 24238BAll pistons are heat treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are gravity...9105138- SKU:
- 9105138
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.0:1
- UNITS:
- KIT
- DISPLACEMENT:
- 366 CC
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +2,00 MM
- CYLINDER DIAMETER METRIC:
- 90.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 89.97 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- STREET
- STYLE:
- FORGED BIG BORE
MSRP: $268.95Now: $246.56Was: $273.95 -
On Sale
VERTEX Piston Kit 24196A
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit 24196AAll pistons are heat treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are gravity...9105140- SKU:
- 9105140
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
MSRP: $247.95Now: $227.66Was: $252.95 -
On Sale
VERTEX Piston Kit 24196B
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit 24196BAll pistons are heat treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are gravity...9105141- SKU:
- 9105141
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
MSRP: $247.95Now: $227.66Was: $252.95 -
On Sale
VERTEX Piston Kit 24213A
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit 24213AAll pistons are heat treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are gravity...9105143- SKU:
- 9105143
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
MSRP: $247.95Now: $227.66Was: $252.95 -
On Sale
VERTEX Piston Kit 24213B
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit 24213BAll pistons are heat treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are gravity...9105144- SKU:
- 9105144
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
MSRP: $247.95Now: $227.66Was: $252.95 -
On Sale
VERTEX Piston Kit 24209A
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit 24209AAll pistons are heat treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are gravity...9105149- SKU:
- 9105149
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
MSRP: $247.95Now: $227.66Was: $252.95 -
On Sale
VERTEX Piston Kit 24209B
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit 24209BAll pistons are heat treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are gravity...9105150- SKU:
- 9105150
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
MSRP: $247.95Now: $227.66Was: $252.95 -
On Sale
VERTEX Piston Kit - High Compression 24023B
VERTEX
MSRP: $301.95Now: $277.16Was: $307.95VERTEX Piston Kit High Compression 24023BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life9103694- SKU:
- 9103694
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 76.96 MM
- PRODUCT NAME:
- PISTON KIT
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED HIGH COMPRESSION
- COMPRESSION RATIO IMPERIAL:
- 14.8:1
- UNITS:
- KIT
MSRP: $301.95Now: $277.16Was: $307.95 -
On Sale
VERTEX Piston Kit - High Compression 24023C
VERTEX
MSRP: $265.95Now: $239.36Was: $265.95VERTEX Piston Kit High Compression 24023CAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life9103695- SKU:
- 9103695
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 76.97 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED HIGH COMPRESSION
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- 14.8:1
- UNITS:
- KIT
MSRP: $265.95Now: $239.36Was: $265.95 -
On Sale
VERTEX Piston Kit - Big Bore 24031A
VERTEX
MSRP: $228.95Now: $206.06Was: $228.95All pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life9103696- SKU:
- 9103696
- Weight:
- 9.00 LBS
MSRP: $228.95Now: $206.06Was: $228.95Qty in Cart: 0Quantity:Price:MSRP: $228.95Now: $206.06Was: $228.95Subtotal: -
On Sale
VERTEX Piston Kit - Big Bore 24031B
VERTEX
MSRP: $228.95Now: $217.76Was: $241.95VERTEX Piston Kit Big Bore 24031BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life9103697- SKU:
- 9103697
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- +2,00 MM
- CYLINDER DIAMETER METRIC:
- 98.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- BORE - OVERSIZE METRIC:
- +2.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- DISPLACEMENT:
- 470 CC
- STYLE:
- FORGED BIG BORE
- PISTON DIAMETER METRIC:
- 97.96 MM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
MSRP: $228.95Now: $217.76Was: $241.95Qty in Cart: 0Quantity:Price:MSRP: $228.95Now: $217.76Was: $241.95Subtotal: -
On Sale
VERTEX Piston Kit - Big Bore 24031C
VERTEX
MSRP: $228.95Now: $206.06Was: $228.95All pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life9103698- SKU:
- 9103698
- Weight:
- 9.00 LBS
MSRP: $228.95Now: $206.06Was: $228.95Qty in Cart: 0Quantity:Price:MSRP: $228.95Now: $206.06Was: $228.95Subtotal: -
On Sale
VERTEX Piston Kit - Big Bore 24032A
VERTEX
MSRP: $212.95Now: $191.66Was: $212.95VERTEX Piston Kit Big Bore 24032AAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life9103699- SKU:
- 9103699
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
MSRP: $212.95Now: $191.66Was: $212.95Qty in Cart: 0Quantity:Price:MSRP: $212.95Now: $191.66Was: $212.95Subtotal: -
On Sale
VERTEX Piston Kit - Big Bore 24032B
VERTEX
Now: $217.76Was: $241.95VERTEX Piston Kit Big Bore 24032BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life9103700- SKU:
- 9103700
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- DISPLACEMENT:
- 270 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- FORGED BIG BORE
- BORE - OVERSIZE METRIC:
- +3.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.8:1
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +3,00 MM
- PISTON DIAMETER METRIC:
- 79.96 MM
- RIDING STYLE:
- OFF-ROAD
- CYLINDER DIAMETER METRIC:
- 80.00 MM
- UNITS:
- KIT
Now: $217.76Was: $241.95 -
On Sale
VERTEX Piston Kit - Big Bore 24032C
VERTEX
MSRP: $212.95Now: $191.66Was: $212.95VERTEX Piston Kit Big Bore 24032CAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life9103701- SKU:
- 9103701
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- DISPLACEMENT:
- 270 CC
- PISTON DIAMETER METRIC:
- 79.97 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +3,00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STYLE:
- FORGED BIG BORE
- BORE - OVERSIZE METRIC:
- +3.00 MM
- ENGINE TYPE:
- 4-STROKE
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 13.8:1
- CYLINDER DIAMETER METRIC:
- 80.00 MM
- RIDING STYLE:
- OFF-ROAD
MSRP: $212.95Now: $191.66Was: $212.95 -
On Sale
VERTEX Piston Kit 24018C
VERTEX
MSRP: $205.95Now: $185.36Was: $205.95VERTEX Piston Kit 24018CAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life9103702- SKU:
- 9103702
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
MSRP: $205.95Now: $185.36Was: $205.95Qty in Cart: 0Quantity:Price:MSRP: $205.95Now: $185.36Was: $205.95Subtotal: -
On Sale
VERTEX Piston Kit VTKTC22805A
VERTEX
MSRP: $258.95Now: $237.56Was: $263.95VERTEX Piston Kit VTKTC22805AAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life9103703- SKU:
- 9103703
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
MSRP: $258.95Now: $237.56Was: $263.95
