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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On Sale
VERTEX Piston Kit - High Compression VTKTC23856B
VERTEX
MSRP: $355.95Now: $214.00Was: $355.95VERTEX Piston Kit High Compression VTKTC23856BAll 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 life09103806- SKU:
- 09103806
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
MSRP: $355.95Now: $214.00Was: $355.95 -
On Sale
VERTEX Piston Kit VTKTC23861A
VERTEX
MSRP: $273.95Now: $246.56Was: $273.95VERTEX Piston Kit VTKTC23861AAll 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 life09103808- SKU:
- 09103808
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
MSRP: $273.95Now: $246.56Was: $273.95 -
On Sale
VERTEX Piston Kit VTKTC23861B
VERTEX
MSRP: $273.95Now: $246.56Was: $273.95VERTEX Piston Kit VTKTC23861BAll 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 life09103809- SKU:
- 09103809
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
MSRP: $273.95Now: $246.56Was: $273.95 -
On Sale
VERTEX Piston Kit - High Compression VTKTC23862A
VERTEX
MSRP: $279.95Now: $172.00Was: $285.95VERTEX Piston Kit High Compression VTKTC23862AAll 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 life09103811- SKU:
- 09103811
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
MSRP: $279.95Now: $172.00Was: $285.95 -
On Sale
VERTEX Piston Kit 23647B
VERTEX
MSRP: $236.95Now: $145.00Was: $241.95VERTEX Piston Kit 23647BAll 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 life09102573- SKU:
- 09102573
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 76.96 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- FORGED HIGH COMPRESSION
- COMPRESSION RATIO IMPERIAL:
- 13.9:1
- CYLINDER DIAMETER METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
MSRP: $236.95Now: $145.00Was: $241.95 -
On Sale
VERTEX Piston Kit 23655A
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit 23655AAll 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 life09102575- SKU:
- 09102575
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- PISTON DIAMETER METRIC:
- 98.94 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- CYLINDER DIAMETER METRIC:
- 99.00 MM
- DISPLACEMENT:
- 470 CC
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +2,00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- FORGED BIG BORE
MSRP: $247.95Now: $227.66Was: $252.95 -
On Sale
VERTEX Piston Kit 23679B
VERTEX
MSRP: $236.95Now: $145.00Was: $241.95VERTEX Piston Kit 23679BAll 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 life09102585- SKU:
- 09102585
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
- BORE - OVERSIZE:
- +3,00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.4:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 79.97 MM
- CYLINDER DIAMETER METRIC:
- 80.00 MM
- DISPLACEMENT:
- 270 CC
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +3.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STYLE:
- FORGED BIG BORE
- PRODUCT NAME:
- PISTON KIT
MSRP: $236.95Now: $145.00Was: $241.95 -
On Sale
VERTEX Piston Kit 23680C
VERTEX
MSRP: $212.95Now: $191.66Was: $212.95VERTEX Piston Kit 23680CAll 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 life09102589- SKU:
- 09102589
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- BORE - OVERSIZE:
- +3,00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 79.98 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- FORGED BIG BORE
- CYLINDER DIAMETER METRIC:
- 80.00 MM
- DISPLACEMENT:
- 270 CC
- BORE - OVERSIZE METRIC:
- +3.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.2:1
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $212.95Now: $191.66Was: $212.95 -
On Sale
VERTEX Piston Kit 23711A
VERTEX
MSRP: $247.95Now: $227.66Was: $254.95VERTEX Piston Kit 23711AAll 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...09102593- SKU:
- 09102593
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
MSRP: $247.95Now: $227.66Was: $254.95 -
On Sale
VERTEX Piston Kit 23711B
VERTEX
MSRP: $247.95Now: $227.66Was: $254.95VERTEX Piston Kit 23711BAll 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...09102594- SKU:
- 09102594
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
MSRP: $247.95Now: $227.66Was: $254.95 -
On Sale
VERTEX Piston Kit 23730C
VERTEX
MSRP: $265.95Now: $160.00Was: $265.95VERTEX Piston Kit 23730CAll 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 life09102598- SKU:
- 09102598
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 14.6:1
- CYLINDER DIAMETER METRIC:
- 76.80 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PISTON DIAMETER METRIC:
- 76.78 MM
MSRP: $265.95Now: $160.00Was: $265.95 -
On Sale
VERTEX Piston Kit 23732C
VERTEX
MSRP: $265.95Now: $239.36Was: $265.95VERTEX Piston Kit 23732CAll 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 life09102604- SKU:
- 09102604
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 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
- COMPRESSION RATIO IMPERIAL:
- 14.5:1
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- PISTON KIT
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
MSRP: $265.95Now: $239.36Was: $265.95 -
On Sale
VERTEX Piston Kit 23589C
VERTEX
MSRP: $212.95Now: $191.66Was: $212.95VERTEX Piston Kit 23589CAll 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...09102038- SKU:
- 09102038
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- DISPLACEMENT:
- 265 CC
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- FORGED BIG BORE
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +1.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER DIAMETER METRIC:
- 79.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 78.98 MM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
MSRP: $212.95Now: $191.66Was: $212.95 -
On Sale
VERTEX Piston Kit 23653B
VERTEX
MSRP: $258.95Now: $237.56Was: $265.95VERTEX Piston Kit 23653BAll 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...09102040- SKU:
- 09102040
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE METRIC:
- +3.20 MM
- CYLINDER DIAMETER METRIC:
- 80 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 79.97 MM
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +3,20 MM
- COMPRESSION RATIO IMPERIAL:
- 13.2:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STYLE:
- FORGED BIG BORE
- DISPLACEMENT:
- 270 CC
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
MSRP: $258.95Now: $237.56Was: $265.95 -
On Sale
VERTEX Piston Kit 23609A
VERTEX
MSRP: $222.95Now: $200.66Was: $222.95VERTEX Piston Kit 23609AAll 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...09102046- SKU:
- 09102046
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
MSRP: $222.95Now: $200.66Was: $222.95 -
On Sale
VERTEX Piston Kit 23637B
VERTEX
MSRP: $139.95Now: $128.66Was: $143.95VERTEX Piston Kit 23637BAll 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...09102048- SKU:
- 09102048
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- PISTON DIAMETER METRIC:
- 48.45 MM
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 48.50 MM
- DISPLACEMENT:
- 85 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
MSRP: $139.95Now: $128.66Was: $143.95 -
On Sale
VERTEX Piston Kit VTK22863B-1
VERTEX
MSRP: $123.95Now: $113.36Was: $126.95VERTEX Piston Kit VTK22863B-1All 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 life09103027- SKU:
- 09103027
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 85 CC
- STYLE:
- CAST REPLICA
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 47.45 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 47.50 MM
- PRODUCT NAME:
- TOP END PISTON KIT
MSRP: $123.95Now: $113.36Was: $126.95 -
On Sale
VERTEX Piston Kit VTKTC23003A
VERTEX
MSRP: $306.95Now: $276.26Was: $306.95VERTEX Piston Kit VTKTC23003AAll 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 life09103727- SKU:
- 09103727
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
MSRP: $306.95Now: $276.26Was: $306.95 -
On Sale
VERTEX Piston Kit - Standard 23375B
VERTEX
MSRP: $207.95Now: $190.76Was: $213.95VERTEX Piston Kit Standard 23375BAll 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 life09101002- SKU:
- 09101002
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
- CYLINDER DIAMETER METRIC:
- 72.00 MM
- PRODUCT NAME:
- PISTON KIT
- ENGINE TYPE:
- 2-STROKE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 300 CC
- PISTON DIAMETER METRIC:
- 71.95 MM
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
MSRP: $207.95Now: $190.76Was: $213.95 -
On Sale
VERTEX Piston Circlips - 4-Stroke 72090K
VERTEX
MSRP: $2.95Now: $2.66Was: $2.95VERTEX Piston Circlips 4-Stroke 72090KOEM Replacements for Vertex piston kits.09130060- SKU:
- 09130060
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- PISTON
- PRODUCT NAME:
- CIRCLIP
- UNITS:
- PAIR
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
MSRP: $2.95Now: $2.66Was: $2.95
