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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KIBBLEWHITE Valve Seal - 4.5mm - Viton 80-80710
KIBBLEWHITE
$17.95KIBBLEWHITE Valve Seal 4.5mm Viton 80-80710All valve seals are made of 100% solid Viton® for long life, Meet or exceed OEM specifications, When using Kibblewhite spring kits, Kibblewhite valve seals must be used because of spring clearances, Made in the...9263369- SKU:
- 9263369
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SEAL
- STEM DIAMETER METRIC:
- 4.50 MM
- TYPE:
- VALVE
- APPLICATION:
- INTAKE
- OUTSIDE DIAMETER IMPERIAL:
- 0.370'
- MATERIAL:
- VITON
- UNITS:
- SET OF 8
$17.95 -
TWIN AIR Oil Filter - KTM 140014
TWIN AIR
$14.95TWIN AIR Oil Filter KTM 140014Made with quality paper filtering material coupled with the latest in production technologies to provide maximum protection, performance and value140014- SKU:
- 140014
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FILTER MEDIA MATERIAL:
- PAPER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- SECOND FILTER FOR DUAL FILTER APPLICATIONS
- TYPE:
- CARTRIDGE
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$14.95 -
TWIN AIR Oil Filter - Honda 140001
TWIN AIR
$11.95TWIN AIR Oil Filter Honda 140001Made with quality paper filtering material coupled with the latest in production technologies to provide maximum protection, performance and value140001- SKU:
- 140001
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- STYLE:
- STANDARD
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARTRIDGE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- FILTER MEDIA MATERIAL:
- PAPER
- UNITS:
- EACH
$11.95 -
TWIN AIR Oil Filter - Honda 140003
TWIN AIR
$12.95TWIN AIR Oil Filter Honda 140003Made with quality paper filtering material coupled with the latest in production technologies to provide maximum protection, performance and value140003- SKU:
- 140003
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- STANDARD
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- ATV
$12.95 -
TWIN AIR Oil Filter - Kawasaki 140004
TWIN AIR
$11.95TWIN AIR Oil Filter Kawasaki 140004Made with quality paper filtering material coupled with the latest in production technologies to provide maximum protection, performance and value140004- SKU:
- 140004
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- STANDARD
- TYPE:
- CARTRIDGE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$11.95 -
TWIN AIR Oil Filter - Suzuki 140005
TWIN AIR
$11.95TWIN AIR Oil Filter Suzuki 140005Made with quality paper filtering material coupled with the latest in production technologies to provide maximum protection, performance and value140005- SKU:
- 140005
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
- STYLE:
- STANDARD
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
$11.95 -
TWIN AIR Oil Filter - KTM 140019
TWIN AIR
$12.95TWIN AIR Oil Filter KTM 140019Made with quality paper filtering material coupled with the latest in production technologies to provide maximum protection, performance and value7120133- SKU:
- 7120133
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- FILTER MEDIA MATERIAL:
- PAPER
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- STANDARD
- TYPE:
- CARTRIDGE
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
$12.95 -
TWIN AIR Oil Filter - KTM 140020
TWIN AIR
$12.95TWIN AIR Oil Filter KTM 140020Made with quality paper filtering material coupled with the latest in production technologies to provide maximum protection, performance and value7120134- SKU:
- 7120134
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- STANDARD
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- PAPER
$12.95 -
TWIN AIR Oil Filter - Kawasaki 140018
TWIN AIR
$12.95TWIN AIR Oil Filter Kawasaki 140018Made with quality paper filtering material coupled with the latest in production technologies to provide maximum protection, performance and value7120031- SKU:
- 7120031
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- STANDARD
$12.95 -
On Sale
VERTEX Piston Kit VTK23375B
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit VTK23375BAll 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 life9103108- SKU:
- 9103108
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- PISTON DIAMETER METRIC:
- 71.95 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- CYLINDER DIAMETER METRIC:
- 72.00 MM
- DISPLACEMENT:
- 300 CC
- PRODUCT NAME:
- TOP END PISTON KIT
- STYLE:
- CAST REPLICA
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- UNITS:
- KIT
MSRP: $247.95Now: $227.66Was: $252.95 -
On Sale
VERTEX Piston Kit VTK22813CD
VERTEX
MSRP: $102.95Now: $94.46Was: $104.95VERTEX Piston Kit VTK22813CDAll 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 life9103115- SKU:
- 9103115
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- DISPLACEMENT:
- 50 CC
- PISTON DIAMETER METRIC:
- 39.47 MM
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- ENGINE TYPE:
- 2-STROKE
- CYLINDER DIAMETER METRIC:
- 39.50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $102.95Now: $94.46Was: $104.95 -
On Sale
VERTEX Piston Kit VTK23429CD
VERTEX
MSRP: $112.95Now: $103.46Was: $114.95VERTEX Piston Kit VTK23429CDAll 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 life9103116- SKU:
- 9103116
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- CYLINDER DIAMETER METRIC:
- 39.50 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 39.47 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- DISPLACEMENT:
- 50 CC
- PRODUCT NAME:
- TOP END PISTON KIT
MSRP: $112.95Now: $103.46Was: $114.95 -
On Sale
VERTEX Piston Kit VTK22481CD
VERTEX
MSRP: $123.95Now: $113.36Was: $125.95VERTEX Piston Kit VTK22481CDAll 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 life9103117- SKU:
- 9103117
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- CYLINDER DIAMETER METRIC:
- 45.00 MM
- DISPLACEMENT:
- 65 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 44.97 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- TOP END PISTON KIT
- UNITS:
- KIT
MSRP: $123.95Now: $113.36Was: $125.95 -
On Sale
VERTEX Piston Kit VTK23430CD
VERTEX
MSRP: $112.95Now: $103.46Was: $114.95VERTEX Piston Kit VTK23430CDAll 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 life9103118- SKU:
- 9103118
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 45.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- PISTON DIAMETER METRIC:
- 44.97 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- DISPLACEMENT:
- 65 CC
- PRODUCT NAME:
- TOP END PISTON KIT
MSRP: $112.95Now: $103.46Was: $114.95Qty in Cart: 0Quantity:Price:MSRP: $112.95Now: $103.46Was: $114.95Subtotal: -
On Sale
VERTEX Piston Kit VTK22998B
VERTEX
MSRP: $182.95Now: $168.26Was: $186.95VERTEX Piston Kit VTK22998BAll 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 life9103120- SKU:
- 9103120
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 53.96 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $182.95Now: $168.26Was: $186.95 -
On Sale
VERTEX Piston Kit VTK22854B-1
VERTEX
MSRP: $215.95Now: $197.96Was: $219.95VERTEX Piston Kit VTK22854B-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 life9103121- SKU:
- 9103121
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- PISTON DIAMETER METRIC:
- 66.35 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $215.95Now: $197.96Was: $219.95 -
On Sale
VERTEX Piston Kit VTK22854B
VERTEX
MSRP: $215.95Now: $197.96Was: $219.95VERTEX Piston Kit VTK22854BAll 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 life9103122- SKU:
- 9103122
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.35 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 250 CC
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- TOP END PISTON KIT
- UNITS:
- KIT
MSRP: $215.95Now: $197.96Was: $219.95 -
On Sale
VERTEX Piston Kit 23666C
VERTEX
MSRP: $112.95Now: $103.46Was: $114.95VERTEX Piston Kit 23666CAll 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...9105951- SKU:
- 9105951
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 47.89 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- CYLINDER DIAMETER METRIC:
- 48 MM
- DISPLACEMENT:
- 85 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- UNITS:
- KIT
MSRP: $112.95Now: $103.46Was: $114.95 -
On Sale
VERTEX Piston Kit 23614050
VERTEX
MSRP: $155.95Now: $143.06Was: $158.95VERTEX Piston Kit 23614050All 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...9102050- SKU:
- 9102050
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 53.00 MM
- STYLE:
- CAST REPLICA
- DISPLACEMENT:
- 100 CC
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 52.95 MM
MSRP: $155.95Now: $143.06Was: $158.95 -
On Sale
VERTEX Piston Kit 23614200
VERTEX
MSRP: $161.95Now: $148.46Was: $164.95VERTEX Piston Kit 23614200All 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...9102051- SKU:
- 9102051
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- DISPLACEMENT:
- 107 CC
- PISTON DIAMETER METRIC:
- 54.45 MM
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 54.50 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST BIG BORE
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $161.95Now: $148.46Was: $164.95
