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 23378C
VERTEX
MSRP: $221.95Now: $199.76Was: $221.95All 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 life, Cast piston kits are gravity cast aluminum alloy (not...9102100- SKU:
- 9102100
- Weight:
- 17.00 LBS
MSRP: $221.95Now: $199.76Was: $221.95Qty in Cart: 0Quantity:Price:MSRP: $221.95Now: $199.76Was: $221.95Subtotal: -
On Sale
VERTEX Piston Kit 23378B
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit 23378BAll 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...9102099- SKU:
- 9102099
- Availability:
- Ships Same Business Day
- Weight:
- 1.07 LBS
- DISPLACEMENT:
- 450 CC
- PRODUCT NAME:
- PISTON KIT
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 95.97 MM
- COMPRESSION RATIO IMPERIAL:
- 12.9:1
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $247.95Now: $227.66Was: $252.95 -
On Sale
VERTEX Piston Kit 23377C
VERTEX
MSRP: $205.95Now: $185.36Was: $205.95VERTEX Piston Kit 23377CAll 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...9102098- SKU:
- 9102098
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
MSRP: $205.95Now: $185.36Was: $205.95Qty in Cart: 0Quantity:Price:MSRP: $205.95Now: $185.36Was: $205.95Subtotal: -
On Sale
VERTEX Piston Kit 23377B
VERTEX
MSRP: $209.95Now: $188.96Was: $209.95All 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 life, Cast piston kits are gravity cast aluminum alloy (not...9102097- SKU:
- 9102097
- Weight:
- 14.00 LBS
MSRP: $209.95Now: $188.96Was: $209.95Qty in Cart: 0Quantity:Price:MSRP: $209.95Now: $188.96Was: $209.95Subtotal: -
On Sale
VERTEX Piston Kit 23198B
VERTEX
MSRP: $236.95Now: $217.76Was: $241.95VERTEX Piston Kit 23198BAll 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...9102091- SKU:
- 9102091
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
MSRP: $236.95Now: $217.76Was: $241.95 -
On Sale
VERTEX Piston Kit 23565B
VERTEX
MSRP: $236.95Now: $213.26Was: $236.95All 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 life, Cast piston kits are gravity cast aluminum alloy (not...9102088- SKU:
- 9102088
- Weight:
- 0.62 LBS
MSRP: $236.95Now: $213.26Was: $236.95Qty in Cart: 0Quantity:Price:MSRP: $236.95Now: $213.26Was: $236.95Subtotal: -
On Sale
VERTEX Piston Kit 23564C
VERTEX
MSRP: $191.95Now: $172.76Was: $191.95VERTEX Piston Kit 23564CAll 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...9102086- SKU:
- 9102086
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
MSRP: $191.95Now: $172.76Was: $191.95Qty in Cart: 0Quantity:Price:MSRP: $191.95Now: $172.76Was: $191.95Subtotal: -
On Sale
VERTEX Piston Kit 23564B
VERTEX
MSRP: $209.95Now: $192.56Was: $213.95VERTEX Piston Kit 23564BAll 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...9102085- SKU:
- 9102085
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
MSRP: $209.95Now: $192.56Was: $213.95Qty in Cart: 0Quantity:Price:MSRP: $209.95Now: $192.56Was: $213.95Subtotal: -
On Sale
VERTEX Piston Kit 22216A
VERTEX
MSRP: $150.95Now: $138.56Was: $153.95VERTEX Piston Kit 22216AAll 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...9102077- SKU:
- 9102077
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 53.95 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
MSRP: $150.95Now: $138.56Was: $153.95 -
On Sale
VERTEX Piston Kit 23205500
VERTEX
MSRP: $150.95Now: $138.56Was: $153.95VERTEX Piston Kit 23205500All 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 life9102076- SKU:
- 9102076
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 53.00 MM
- STYLE:
- CAST BIG BORE
- UNITS:
- KIT
- BORE - OVERSIZE:
- +5,00 MM
- BORE - OVERSIZE METRIC:
- +5.00 MM
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 103 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- PISTON DIAMETER METRIC:
- 52.95 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $150.95Now: $138.56Was: $153.95 -
On Sale
VERTEX Piston Kit - Standard 22521B
VERTEX
MSRP: $193.95Now: $178.16Was: $197.95VERTEX Piston Kit Standard 22521BAll 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 life9101059- SKU:
- 9101059
- Availability:
- Ships Same Business Day
- Weight:
- 0.72 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 66.36 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- DISPLACEMENT:
- 250 CC
MSRP: $193.95Now: $178.16Was: $197.95 -
On Sale
VERTEX Piston Kit - Standard 22712B
VERTEX
MSRP: $128.95Now: $118.76Was: $131.95VERTEX Piston Kit Standard 22712BAll 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 life9101056- SKU:
- 9101056
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- PISTON DIAMETER METRIC:
- 53.96 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- DISPLACEMENT:
- 125 CC
MSRP: $128.95Now: $118.76Was: $131.95 -
On Sale
VERTEX Piston Kit - Standard 22498B
VERTEX
MSRP: $144.95Now: $133.16Was: $147.95VERTEX Piston Kit Standard 22498BAll 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 life9101055- SKU:
- 9101055
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- PISTON DIAMETER METRIC:
- 53.96 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST RACE
MSRP: $144.95Now: $133.16Was: $147.95 -
On Sale
VERTEX Piston Kit - Standard 22245B
VERTEX
MSRP: $128.95Now: $118.76Was: $131.95VERTEX Piston Kit Standard 22245BAll 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 life9101054- SKU:
- 9101054
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 53.96 MM
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
MSRP: $128.95Now: $118.76Was: $131.95 -
On Sale
VERTEX Piston Kit - Standard 22248B
VERTEX
MSRP: $128.95Now: $118.76Was: $131.95VERTEX Piston Kit Standard 22248BAll 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 life9101053- SKU:
- 9101053
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- PISTON DIAMETER METRIC:
- 53.96 MM
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STYLE:
- CAST REPLICA
MSRP: $128.95Now: $118.76Was: $131.95 -
On Sale
VERTEX Piston Kit - Standard 22499B
VERTEX
MSRP: $96.95Now: $89.06Was: $98.95VERTEX Piston Kit Standard 22499BAll 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 life9101023- SKU:
- 9101023
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 46.95 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- CYLINDER DIAMETER METRIC:
- 47.00 MM
- DISPLACEMENT:
- 80 CC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
MSRP: $96.95Now: $89.06Was: $98.95 -
On Sale
VERTEX Piston Kit 23381B
VERTEX
MSRP: $268.95Now: $246.56Was: $273.95VERTEX Piston Kit 23381BAll 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 life9101020- SKU:
- 9101020
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
MSRP: $268.95Now: $246.56Was: $273.95 -
On Sale
VERTEX Piston Kit 22942B
VERTEX
MSRP: $268.95Now: $246.56Was: $273.95VERTEX Piston Kit 22942BAll 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 life9101017- SKU:
- 9101017
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
MSRP: $268.95Now: $246.56Was: $273.95 -
On Sale
VERTEX Piston Kit 23379B
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit 23379BAll 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 life9101012- SKU:
- 9101012
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
MSRP: $247.95Now: $227.66Was: $252.95 -
On Sale
VERTEX Piston Kit 23329B
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit 23329BAll 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 life9101007- SKU:
- 9101007
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
MSRP: $247.95Now: $227.66Was: $252.95
