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 23961B
VERTEX
MSRP: $198.95Now: $182.66Was: $202.95VERTEX Piston Kit 23961BAll 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 life9103406- SKU:
- 9103406
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
MSRP: $198.95Now: $182.66Was: $202.95 -
On Sale
VERTEX Piston Kit 23961C
VERTEX
MSRP: $191.95Now: $172.76Was: $191.95VERTEX Piston Kit 23961CAll 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 life9103407- SKU:
- 9103407
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
MSRP: $191.95Now: $172.76Was: $191.95Qty in Cart: 0Quantity:Price:MSRP: $191.95Now: $172.76Was: $191.95Subtotal: -
On Sale
VERTEX Piston Kit - High Compression 23962A
VERTEX
MSRP: $225.95Now: $206.96Was: $229.95VERTEX Piston Kit High Compression 23962AAll 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 life9103408- SKU:
- 9103408
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- PISTON DIAMETER METRIC:
- 76.76 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 76.80 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- COMPRESSION RATIO IMPERIAL:
- 14.1:1
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
MSRP: $225.95Now: $206.96Was: $229.95Qty in Cart: 0Quantity:Price:MSRP: $225.95Now: $206.96Was: $229.95Subtotal: -
On Sale
VERTEX Piston Kit 23384400
VERTEX
MSRP: $171.95Now: $157.46Was: $174.95VERTEX Piston Kit 23384400All 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 life9102540- SKU:
- 9102540
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
MSRP: $171.95Now: $157.46Was: $174.95 -
On Sale
VERTEX Piston Kit 22356A
VERTEX
MSRP: $171.95Now: $157.46Was: $174.95VERTEX Piston Kit 22356AAll 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 life9102541- SKU:
- 9102541
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- CYLINDER DIAMETER METRIC:
- 68.00 MM
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- PISTON KIT
- PISTON DIAMETER METRIC:
- 67.94 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- STYLE:
- CAST REPLICA
MSRP: $171.95Now: $157.46Was: $174.95 -
On Sale
VERTEX Piston Kit 22584A
VERTEX
MSRP: $149.95Now: $137.66Was: $152.95VERTEX Piston Kit 22584AAll 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...9102542- SKU:
- 9102542
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- DISPLACEMENT:
- 250 CC
- PISTON DIAMETER METRIC:
- 66.34 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
MSRP: $149.95Now: $137.66Was: $152.95 -
On Sale
VERTEX Piston Kit 22600B
VERTEX
MSRP: $161.95Now: $148.46Was: $164.95VERTEX Piston Kit 22600BAll 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...9102543- SKU:
- 9102543
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 53.95 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $161.95Now: $148.46Was: $164.95 -
On Sale
VERTEX Piston Kit 22601B
VERTEX
MSRP: $198.95Now: $182.66Was: $202.95VERTEX Piston Kit 22601BAll 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...9102544- SKU:
- 9102544
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 66.95 MM
- STYLE:
- CAST REPLICA
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $198.95Now: $182.66Was: $202.95Qty in Cart: 0Quantity:Price:MSRP: $198.95Now: $182.66Was: $202.95Subtotal: -
On Sale
VERTEX Piston Kit 22926C
VERTEX
MSRP: $182.95Now: $168.26Was: $186.95VERTEX Piston Kit 22926CAll 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 life9102547- SKU:
- 9102547
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- ENGINE TYPE:
- 2-STROKE
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 64.00 MM
- DISPLACEMENT:
- 200 CC
- PISTON DIAMETER METRIC:
- 63.96 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
MSRP: $182.95Now: $168.26Was: $186.95 -
On Sale
VERTEX Piston Kit 23235B
VERTEX
MSRP: $258.95Now: $233.06Was: $258.95VERTEX Piston Kit 23235BAll 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 life9102549- SKU:
- 9102549
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
MSRP: $258.95Now: $233.06Was: $258.95 -
On Sale
VERTEX Piston Kit 23236B
VERTEX
MSRP: $258.95Now: $237.56Was: $263.95VERTEX Piston Kit 23236BAll 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 life9102551- SKU:
- 9102551
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- PISTON DIAMETER METRIC:
- 75.97 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 13.3:1
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- CYLINDER DIAMETER METRIC:
- 76.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $258.95Now: $237.56Was: $263.95 -
WISECO Wrist Pin S484
WISECO
$22.99Wiseco wrist pins are strong, lightweight and can be used with OEM pistons, tooS484- SKU:
- S484
- Weight:
- 0.13 LBS
- APPLICATION:
- PISTON
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- LENGTH METRIC:
- 58.20 MM
- OUTSIDE DIAMETER METRIC:
- 18 MM
$22.99 -
WISECO Wrist Pin S508
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS508- SKU:
- S508
- Weight:
- 0.19 LBS
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 72 MM
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 18,00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- LENGTH:
- 72 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
$22.99Qty in Cart: 0Quantity:Price:$22.99Subtotal: -
WISECO Wrist Pin S511
WISECO
$22.04Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS511X- SKU:
- S511X
- Weight:
- 0.13 LBS
$22.04Qty in Cart: 0Quantity:Price:$22.04Subtotal: -
WISECO Wrist Pin S512
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS512X- SKU:
- S512X
- Weight:
- 0.19 LBS
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 20,00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- WATERCRAFT
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 60 MM
- MATERIAL:
- SILICONE
- RIDING STYLE:
- OFF-ROAD
- LENGTH:
- 60 MM
- OUTSIDE DIAMETER METRIC:
- 20.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
$22.99 -
WISECO Wrist Pin S513
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS513- SKU:
- S513
- Weight:
- 0.13 LBS
- APPLICATION:
- PISTON
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 18,00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- LENGTH:
- 58,5 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- LENGTH METRIC:
- 58.5 MM
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
$22.99 -
WISECO Wrist Pin S514
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS514- SKU:
- S514
- Weight:
- 0.13 LBS
- OUTSIDE DIAMETER:
- 16,00 MM
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 16.00 MM
- LENGTH METRIC:
- 50.6 MM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- LENGTH:
- 50,6 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$22.99 -
WISECO Wrist Pin S517
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS517- SKU:
- S517
- Weight:
- 0.06 LBS
- LENGTH:
- 45,80 MM
- LENGTH METRIC:
- 45.80 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 14,00 MM
- OUTSIDE DIAMETER METRIC:
- 14.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$22.99 -
WISECO Wrist Pin S520
WISECO
$18.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS520- SKU:
- S520
- Weight:
- 0.19 LBS
- LENGTH METRIC:
- 70 MM
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 20,00 MM
- OUTSIDE DIAMETER METRIC:
- 20.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- LENGTH:
- 70 MM
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- PISTON
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
$18.99 -
WISECO Piston - Honda - .50mm 450M05000
WISECO
$134.95WISECO Piston Honda .50mm 450M05000Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with rings...450M05000- SKU:
- 450M05000
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- DISPLACEMENT:
- 79.7 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 41.40 MM
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 50.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 49.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$134.95
