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 VTKTC22805B
VERTEX
MSRP: $258.95Now: $237.56Was: $263.95VERTEX Piston Kit VTKTC22805BAll 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 life9103704- SKU:
- 9103704
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
MSRP: $258.95Now: $237.56Was: $263.95 -
On Sale
VERTEX Piston Kit - High Compression VTKTC22900A-1
VERTEX
MSRP: $346.95Now: $312.26Was: $346.95VERTEX Piston Kit High Compression VTKTC22900A-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 life9103707- SKU:
- 9103707
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
MSRP: $346.95Now: $312.26Was: $346.95 -
On Sale
VERTEX Piston Kit - High Compression VTKTC22900B
VERTEX
MSRP: $327.95Now: $295.16Was: $327.95VERTEX Piston Kit High Compression VTKTC22900BAll 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 life9103709- SKU:
- 9103709
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
MSRP: $327.95Now: $295.16Was: $327.95 -
On Sale
VERTEX Piston Kit - High Compression VTKTC22900B-1
VERTEX
MSRP: $346.95Now: $312.26Was: $346.95All 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 life9103710- SKU:
- 9103710
- Weight:
- 40.00 LBS
MSRP: $346.95Now: $312.26Was: $346.95Qty in Cart: 0Quantity:Price:MSRP: $346.95Now: $312.26Was: $346.95Subtotal: -
On Sale
VERTEX Piston Kit 23757B
VERTEX
MSRP: $236.95Now: $217.76Was: $241.95VERTEX Piston Kit 23757BAll 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...9103179- SKU:
- 9103179
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
MSRP: $236.95Now: $217.76Was: $241.95 -
On Sale
VERTEX Piston Kit 23761C
VERTEX
MSRP: $268.99Now: $246.56Was: $273.95VERTEX Piston Kit 23761CAll 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 life9103186- SKU:
- 9103186
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 300 CC
- ENGINE TYPE:
- 2-STROKE
- STYLE:
- CAST REPLICA
- PISTON DIAMETER METRIC:
- 71.95 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 72.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
MSRP: $268.99Now: $246.56Was: $273.95 -
On Sale
VERTEX Piston Kit 23847A
VERTEX
MSRP: $258.95Now: $237.56Was: $263.95VERTEX Piston Kit 23847AAll 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...9103194- SKU:
- 9103194
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- COMPRESSION RATIO IMPERIAL:
- 14.3:1
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 77.96 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED HIGH COMPRESSION
- CYLINDER DIAMETER METRIC:
- 78.00 MM
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
MSRP: $258.95Now: $237.56Was: $263.95Qty in Cart: 0Quantity:Price:MSRP: $258.95Now: $237.56Was: $263.95Subtotal: -
On Sale
VERTEX Piston Kit 23236C
VERTEX
MSRP: $219.95Now: $197.96Was: $219.95VERTEX Piston Kit 23236CAll 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 life9102552- SKU:
- 9102552
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
MSRP: $219.95Now: $197.96Was: $219.95Qty in Cart: 0Quantity:Price:MSRP: $219.95Now: $197.96Was: $219.95Subtotal: -
On Sale
VERTEX Piston Kit 23249B
VERTEX
MSRP: $182.95Now: $168.26Was: $186.95VERTEX Piston Kit 23249BAll 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 life9102553- SKU:
- 9102553
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.34 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- STYLE:
- CAST REPLICA
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $182.95Now: $168.26Was: $186.95 -
On Sale
VERTEX Piston Kit 23265A
VERTEX
MSRP: $155.95Now: $143.06Was: $158.95VERTEX Piston Kit 23265AAll 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 life9102554- SKU:
- 9102554
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
MSRP: $155.95Now: $143.06Was: $158.95 -
On Sale
VERTEX Piston Kit 23381A
VERTEX
MSRP: $258.95Now: $237.56Was: $263.95VERTEX Piston Kit 23381AAll 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 life9102557- SKU:
- 9102557
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
MSRP: $258.95Now: $237.56Was: $263.95 -
On Sale
VERTEX Piston Kit 23383B
VERTEX
MSRP: $171.95Now: $157.46Was: $174.95VERTEX Piston Kit 23383BAll 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 life9102558- SKU:
- 9102558
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- CYLINDER DIAMETER METRIC:
- 56.00 MM
- DISPLACEMENT:
- 144 CC
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 55.96 MM
- STYLE:
- CAST REPLICA
MSRP: $171.95Now: $157.46Was: $174.95 -
On Sale
VERTEX Piston Kit 23445C
VERTEX
MSRP: $1,392.95Now: $1,253.66Was: $1,392.95VERTEX Piston Kit 23445CAll 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 life9102560- SKU:
- 9102560
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
MSRP: $1,392.95Now: $1,253.66Was: $1,392.95Qty in Cart: 0Quantity:Price:MSRP: $1,392.95Now: $1,253.66Was: $1,392.95Subtotal: -
On Sale
VERTEX Piston Kit 22481AB
VERTEX
MSRP: $86.95Now: $80.06Was: $88.95VERTEX Piston Kit 22481ABAll 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...9102234- SKU:
- 9102234
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 65 CC
- PISTON DIAMETER METRIC:
- 44.96 MM
- STYLE:
- CAST REPLICA
- CYLINDER DIAMETER METRIC:
- 45.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
MSRP: $86.95Now: $80.06Was: $88.95 -
On Sale
VERTEX Piston Kit 23375A
VERTEX
MSRP: $207.95Now: $190.76Was: $211.95VERTEX Piston Kit 23375AAll 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...9102421- SKU:
- 9102421
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 71.94 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 300 CC
- STYLE:
- CAST REPLICA
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- CYLINDER DIAMETER METRIC:
- 72 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $207.95Now: $190.76Was: $211.95 -
On Sale
VERTEX Piston Kit 23375C
VERTEX
MSRP: $207.95Now: $190.76Was: $211.95VERTEX Piston Kit 23375CAll 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...9102422- SKU:
- 9102422
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- DISPLACEMENT:
- 300 CC
- PISTON DIAMETER METRIC:
- 71.96 MM
- CYLINDER DIAMETER METRIC:
- 72 MM
MSRP: $207.95Now: $190.76Was: $211.95 -
On Sale
VERTEX Piston Kit 22995B
VERTEX
MSRP: $128.95Now: $118.76Was: $131.95VERTEX Piston Kit 22995BAll 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...9102034- SKU:
- 9102034
- 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
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- PISTON DIAMETER METRIC:
- 53.93 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
MSRP: $128.95Now: $118.76Was: $131.95 -
WISECO Wrist Pin S270
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS270- SKU:
- S270
- Weight:
- 0.10 LBS
- LENGTH:
- 50,6 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 16.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- LENGTH METRIC:
- 50.6 MM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- OUTSIDE DIAMETER:
- 16,00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
$22.99 -
WISECO Wrist Pin S277
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS277- SKU:
- S277
- Weight:
- 0.25 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- APPLICATION:
- PISTON
- LENGTH:
- 72 MM
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 18,00 MM
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- LENGTH METRIC:
- 72 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$22.99 -
WISECO Wrist Pin S278
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS278- SKU:
- S278
- Weight:
- 0.25 LBS
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 62.8 MM
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 18,00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WRIST PIN
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
- UNITS:
- EACH
- LENGTH:
- 62,8 MM
- MATERIAL:
- SILICONE
- RIDING STYLE:
- ATV
$22.99
