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 23621050
VERTEX
MSRP: $171.95Now: $157.46Was: $174.95VERTEX Piston Kit 23621050All 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...9102053- SKU:
- 9102053
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- DISPLACEMENT:
- 100 CC
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- CYLINDER DIAMETER METRIC:
- 53.00 MM
- PISTON DIAMETER METRIC:
- 52.95 MM
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
MSRP: $171.95Now: $157.46Was: $174.95 -
On Sale
VERTEX Piston Kit 23621200
VERTEX
MSRP: $171.95Now: $157.46Was: $174.95VERTEX Piston Kit 23621200All 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 life9102054- SKU:
- 9102054
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- DISPLACEMENT:
- 100 CC
- PISTON DIAMETER METRIC:
- 54.45 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 54.50 MM
- STYLE:
- CAST REPLICA
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $171.95Now: $157.46Was: $174.95 -
On Sale
VERTEX Piston Kit 23646A
VERTEX
MSRP: $209.95Now: $192.56Was: $213.95VERTEX Piston Kit 23646AAll 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...9102055- SKU:
- 9102055
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $209.95Now: $192.56Was: $213.95 -
On Sale
VERTEX Piston Kit 23646B
VERTEX
MSRP: $209.95Now: $192.56Was: $213.95VERTEX Piston Kit 23646BAll 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...9102056- SKU:
- 9102056
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
MSRP: $209.95Now: $192.56Was: $213.95 -
On Sale
VERTEX Piston Kit - Standard 22863B
VERTEX
MSRP: $94.95Now: $87.26Was: $96.95VERTEX Piston Kit Standard 22863BAll 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 life9101024- SKU:
- 9101024
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- CYLINDER DIAMETER METRIC:
- 47.50 MM
- PRODUCT NAME:
- PISTON KIT
- ENGINE TYPE:
- 2-STROKE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 85 CC
- PISTON DIAMETER METRIC:
- 47.45 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
MSRP: $94.95Now: $87.26Was: $96.95 -
On Sale
VERTEX Piston Kit - Standard 22189B
VERTEX
MSRP: $128.95Now: $118.76Was: $131.95VERTEX Piston Kit Standard 22189BAll 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 life9101027- SKU:
- 9101027
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- PISTON DIAMETER METRIC:
- 53.94 MM
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- DISPLACEMENT:
- 125 CC
- STYLE:
- CAST REPLICA
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $128.95Now: $118.76Was: $131.95 -
On Sale
VERTEX Piston Kit - Standard 22685C
VERTEX
MSRP: $134.95Now: $124.16Was: $137.95VERTEX Piston Kit Standard 22685CAll 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 life9101028- SKU:
- 9101028
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 53.94 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $134.95Now: $124.16Was: $137.95 -
On Sale
VERTEX Piston Kit - Standard 23140C
VERTEX
MSRP: $128.95Now: $116.06Was: $128.95VERTEX Piston Kit Standard 23140CAll 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 life9101029- SKU:
- 9101029
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
MSRP: $128.95Now: $116.06Was: $128.95Qty in Cart: 0Quantity:Price:MSRP: $128.95Now: $116.06Was: $128.95Subtotal: -
On Sale
VERTEX Piston Kit - Standard 22581B
VERTEX
MSRP: $193.95Now: $178.16Was: $197.95VERTEX Piston Kit Standard 22581BAll 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 life9101033- SKU:
- 9101033
- Availability:
- Ships Same Business Day
- Weight:
- 0.72 LBS
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 66.35 MM
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
MSRP: $193.95Now: $178.16Was: $197.95 -
On Sale
VERTEX Piston Kit - Standard 22809B
VERTEX
MSRP: $155.95Now: $143.06Was: $158.95VERTEX Piston Kit Standard 22809BAll 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 life9101034- SKU:
- 9101034
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 250 CC
- PISTON DIAMETER METRIC:
- 66.35 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
- CYLINDER DIAMETER METRIC:
- 66.40 MM
MSRP: $155.95Now: $143.06Was: $158.95 -
On Sale
VERTEX Piston Kit - Standard 23133B
VERTEX
MSRP: $171.95Now: $157.46Was: $174.95VERTEX Piston Kit Standard 23133BAll 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 life9101035- SKU:
- 9101035
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 250 CC
- PISTON DIAMETER METRIC:
- 66.35 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- CYLINDER DIAMETER METRIC:
- 66.40 MM
MSRP: $171.95Now: $157.46Was: $174.95 -
On Sale
VERTEX Piston Kit - Standard 22447
VERTEX
MSRP: $198.95Now: $182.66Was: $202.95VERTEX Piston Kit Standard 22447All 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 life9101036- SKU:
- 9101036
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 500 CC
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- PISTON DIAMETER METRIC:
- 88.95 MM
- RIDING STYLE:
- OFF-ROAD
- CYLINDER DIAMETER METRIC:
- 89.00 MM
- STYLE:
- CAST REPLICA
MSRP: $198.95Now: $182.66Was: $202.95 -
On Sale
VERTEX Piston Kit 22860B
VERTEX
MSRP: $107.95Now: $98.96Was: $109.95VERTEX Piston Kit 22860BAll 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...9101048- SKU:
- 9101048
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 65 CC
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 44.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 44.45 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
MSRP: $107.95Now: $98.96Was: $109.95 -
On Sale
VERTEX Piston Kit - Standard 22502B
VERTEX
MSRP: $112.95Now: $103.46Was: $114.95VERTEX Piston Kit Standard 22502BAll 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 life9101050- SKU:
- 9101050
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- DISPLACEMENT:
- 80 CC
- PISTON DIAMETER METRIC:
- 47.94 MM
- STYLE:
- CAST REPLICA
- CYLINDER DIAMETER METRIC:
- 48.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $112.95Now: $103.46Was: $114.95 -
On Sale
VERTEX Piston Kit - Standard 22803B
VERTEX
MSRP: $107.95Now: $98.96Was: $109.95VERTEX Piston Kit Standard 22803BAll 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 life9101051- SKU:
- 9101051
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- CYLINDER DIAMETER METRIC:
- 48.50 MM
- PISTON DIAMETER METRIC:
- 48.45 MM
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- DISPLACEMENT:
- 85 CC
- STYLE:
- CAST REPLICA
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $107.95Now: $98.96Was: $109.95 -
On Sale
VERTEX Piston Kit - Big Bore 24081B
VERTEX
MSRP: $322.95Now: $290.66Was: $322.95VERTEX Piston Kit Big Bore 24081BAll 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 life9104142- SKU:
- 9104142
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE METRIC:
- +3.20 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- +3,20 MM
- COMPRESSION RATIO IMPERIAL:
- 14.6:1
- CYLINDER DIAMETER METRIC:
- 80.00 MM
- STYLE:
- FORGED BIG BORE
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- PISTON DIAMETER METRIC:
- 79.97 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
MSRP: $322.95Now: $290.66Was: $322.95 -
On Sale
VERTEX Piston Kit 23621A
VERTEX
MSRP: $171.95Now: $157.46Was: $174.95VERTEX Piston Kit 23621AAll 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...9103395- SKU:
- 9103395
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- STYLE:
- CAST REPLICA
- CYLINDER DIAMETER METRIC:
- 52.50 MM
- DISPLACEMENT:
- 100 CC
- PISTON DIAMETER METRIC:
- 52.44 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
MSRP: $171.95Now: $157.46Was: $174.95 -
On Sale
VERTEX Piston Kit 23958A
VERTEX
MSRP: $225.95Now: $206.96Was: $229.95VERTEX Piston Kit 23958AAll 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 life9103396- SKU:
- 9103396
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
MSRP: $225.95Now: $206.96Was: $229.95 -
On Sale
VERTEX Piston Kit 23958B
VERTEX
MSRP: $215.95Now: $197.96Was: $219.95VERTEX Piston Kit 23958BAll 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 life9103397- SKU:
- 9103397
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
MSRP: $215.95Now: $197.96Was: $219.95 -
On Sale
VERTEX Piston Kit - High Compression 23959A
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit High Compression 23959AAll 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 life9103399- SKU:
- 9103399
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
- DISPLACEMENT:
- 450 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 96.94 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 97.00 MM
- RIDING STYLE:
- OFF-ROAD
MSRP: $247.95Now: $227.66Was: $252.95
