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 22224B
VERTEX
MSRP: $134.95Now: $124.16Was: $137.95VERTEX Piston Kit 22224BAll 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...09102116- SKU:
- 09102116
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
- DISPLACEMENT:
- 125 CC
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- PISTON DIAMETER METRIC:
- 53.94 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
MSRP: $134.95Now: $124.16Was: $137.95 -
On Sale
VERTEX Piston Kit 22896B
VERTEX
MSRP: $247.95Now: $227.66Was: $254.95VERTEX Piston Kit 22896BAll 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...09102120- SKU:
- 09102120
- Availability:
- Ships Same Business Day
- Weight:
- 1.09 LBS
- DISPLACEMENT:
- 450 CC
- PISTON DIAMETER METRIC:
- 94.94 MM
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- CYLINDER DIAMETER METRIC:
- 95.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $247.95Now: $227.66Was: $254.95 -
On Sale
VERTEX Piston Kit 22964A
VERTEX
MSRP: $233.95Now: $210.56Was: $233.95VERTEX Piston Kit 22964AAll 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...09102121- SKU:
- 09102121
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +2.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.3:1
- CYLINDER DIAMETER METRIC:
- 97.00 MM
- DISPLACEMENT:
- 470 CC
- PISTON DIAMETER METRIC:
- 96.96 MM
- 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: $233.95Now: $210.56Was: $233.95 -
On Sale
VERTEX Piston Kit 23614A
VERTEX
MSRP: $161.95Now: $148.46Was: $165.95VERTEX Piston Kit 23614AAll 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...09104645- SKU:
- 09104645
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- DISPLACEMENT:
- 99 CC
- PISTON DIAMETER METRIC:
- 52.44 MM
- PRODUCT NAME:
- PISTON KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- CYLINDER DIAMETER METRIC:
- 52.50 MM
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- UNITS:
- KIT
MSRP: $161.95Now: $148.46Was: $165.95 -
On Sale
VERTEX Piston Kit 23614B
VERTEX
MSRP: $161.95Now: $148.46Was: $165.95VERTEX Piston Kit 23614BAll 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...09104646- SKU:
- 09104646
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 52.50 MM
- DISPLACEMENT:
- 99 CC
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 52.45 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $161.95Now: $148.46Was: $165.95 -
On Sale
VERTEX Piston Kit 23614C
VERTEX
MSRP: $155.95Now: $143.06Was: $158.95VERTEX Piston Kit 23614CAll 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...09104647- SKU:
- 09104647
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PISTON DIAMETER METRIC:
- 52.46 MM
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 99 CC
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- CYLINDER DIAMETER METRIC:
- 52.50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $155.95Now: $143.06Was: $158.95 -
On Sale
VERTEX Piston Kit with Gaskets VTK23614A
VERTEX
MSRP: $182.95Now: $168.26Was: $187.95VERTEX Piston Kit with Gaskets VTK23614AAll 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...09104648- SKU:
- 09104648
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- DISPLACEMENT:
- 100 CC
- PISTON DIAMETER METRIC:
- 52.44 MM
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- TOP END PISTON KIT
- STYLE:
- CAST REPLICA
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 52.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $182.95Now: $168.26Was: $187.95 -
On Sale
VERTEX Piston Kit 24233A
VERTEX
MSRP: $171.95Now: $157.46Was: $175.95VERTEX Piston Kit 24233AAll 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...09105753- SKU:
- 09105753
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- CYLINDER DIAMETER METRIC:
- 58.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST RACE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 144 CC
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 57.94 MM
- PRODUCT NAME:
- PISTON KIT
MSRP: $171.95Now: $157.46Was: $175.95 -
On Sale
VERTEX Piston Kit 24233B
VERTEX
MSRP: $177.95Now: $163.76Was: $182.95VERTEX Piston Kit 24233BAll 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...09105754- SKU:
- 09105754
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST RACE
- CYLINDER DIAMETER METRIC:
- 58.00 MM
- PISTON DIAMETER METRIC:
- 57.95 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 144 CC
- PISTON MATERIAL:
- CAST
MSRP: $177.95Now: $163.76Was: $182.95 -
On Sale
VERTEX Piston Kit 24187A
VERTEX
MSRP: $225.95Now: $206.96Was: $231.95VERTEX Piston Kit 24187AAll 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, Forged pistons are forged from...09104658- SKU:
- 09104658
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
MSRP: $225.95Now: $206.96Was: $231.95 -
On Sale
VERTEX Piston Kit 24187B
VERTEX
MSRP: $215.95Now: $197.96Was: $221.95VERTEX Piston Kit 24187BAll 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, Forged pistons are forged from...09104659- SKU:
- 09104659
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
MSRP: $215.95Now: $197.96Was: $221.95 -
On Sale
VERTEX Piston Kit 24273A
VERTEX
MSRP: $193.95Now: $178.16Was: $198.95VERTEX Piston Kit 24273AAll 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...09105128- SKU:
- 09105128
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
MSRP: $193.95Now: $178.16Was: $198.95 -
On Sale
VERTEX Piston Kit 24273B
VERTEX
MSRP: $198.98Now: $182.66Was: $203.95VERTEX Piston Kit 24273BAll 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...09105129- SKU:
- 09105129
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
MSRP: $198.98Now: $182.66Was: $203.95 -
On Sale
VERTEX Piston Kit 24209C
VERTEX
MSRP: $199.95Now: $129.97Was: $199.95VERTEX Piston Kit 24209CAll 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...09105151- SKU:
- 09105151
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
MSRP: $199.95Now: $129.97Was: $199.95Qty in Cart: 0Quantity:Price:MSRP: $199.95Now: $129.97Was: $199.95Subtotal: -
On Sale
VERTEX Piston Kit 24211A
VERTEX
MSRP: $268.95Now: $246.56Was: $275.95VERTEX Piston Kit 24211AAll 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...09105152- SKU:
- 09105152
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PISTON DIAMETER METRIC:
- 94.95 MM
- CYLINDER DIAMETER METRIC:
- 95.00 MM
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 450 CC
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $268.95Now: $246.56Was: $275.95 -
On Sale
VERTEX Piston Kit 24211B
VERTEX
MSRP: $268.95Now: $164.00Was: $273.95VERTEX Piston Kit 24211BAll 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...09105153- SKU:
- 09105153
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- PISTON DIAMETER METRIC:
- 94.96 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- STREET
- CYLINDER DIAMETER METRIC:
- 95.00 MM
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- DISPLACEMENT:
- 450 CC
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
MSRP: $268.95Now: $164.00Was: $273.95Qty in Cart: 0Quantity:Price:MSRP: $268.95Now: $164.00Was: $273.95Subtotal: -
On Sale
VERTEX Piston Kit 24211C
VERTEX
MSRP: $219.95Now: $132.00Was: $219.95VERTEX Piston Kit 24211CAll 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...09105154- SKU:
- 09105154
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 450 CC
- CYLINDER DIAMETER METRIC:
- 95.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 94.97 MM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
MSRP: $219.95Now: $132.00Was: $219.95 -
On Sale
VERTEX Piston Kit 23928A
VERTEX
MSRP: $155.95Now: $143.06Was: $159.95VERTEX Piston Kit 23928AAll 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...09105155- SKU:
- 09105155
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- PISTON KIT
- PISTON DIAMETER METRIC:
- 53.94 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- UNITS:
- KIT
MSRP: $155.95Now: $143.06Was: $159.95 -
On Sale
VERTEX Piston Kit 23928B
VERTEX
MSRP: $155.95Now: $143.06Was: $159.95VERTEX Piston Kit 23928BAll 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...09105156- SKU:
- 09105156
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- DISPLACEMENT:
- 125 CC
- PISTON DIAMETER METRIC:
- 53.95 MM
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- UNITS:
- KIT
MSRP: $155.95Now: $143.06Was: $159.95 -
On Sale
VERTEX Piston Kit 23928C
VERTEX
MSRP: $144.95Now: $133.16Was: $148.95VERTEX Piston Kit 23928CAll 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...09105157- SKU:
- 09105157
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- DISPLACEMENT:
- 125 CC
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- PISTON DIAMETER METRIC:
- 53.96 MM
- PISTON MATERIAL:
- CAST
- STYLE:
- CAST REPLICA
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
MSRP: $144.95Now: $133.16Was: $148.95
