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 VTK23383B
VERTEX
MSRP: $209.95Now: $192.56Was: $213.95VERTEX Piston Kit VTK23383BAll 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 life9103088- SKU:
- 9103088
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 55.96 MM
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- CYLINDER DIAMETER METRIC:
- 56.00 MM
- DISPLACEMENT:
- 144 CC
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
MSRP: $209.95Now: $192.56Was: $213.95 -
On Sale
VERTEX Piston Kit VTK22926B-1
VERTEX
MSRP: $225.95Now: $206.96Was: $229.95VERTEX Piston Kit VTK22926B-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 life9103089- SKU:
- 9103089
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- PISTON DIAMETER METRIC:
- 63.95 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- DISPLACEMENT:
- 200 CC
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- ENGINE TYPE:
- 2-STROKE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 64.00 MM
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
MSRP: $225.95Now: $206.96Was: $229.95 -
On Sale
VERTEX Piston Kit VTK22926B
VERTEX
MSRP: $215.95Now: $197.96Was: $219.95VERTEX Piston Kit VTK22926BAll 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 life9103090- SKU:
- 9103090
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 63.95 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- CYLINDER DIAMETER METRIC:
- 64.00 MM
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- DISPLACEMENT:
- 200 CC
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- TOP END PISTON KIT
- UNITS:
- KIT
MSRP: $215.95Now: $197.96Was: $219.95 -
On Sale
VERTEX Piston Kit VTK22926C-1
VERTEX
MSRP: $215.95Now: $197.96Was: $219.95VERTEX Piston Kit VTK22926C-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 life9103091- SKU:
- 9103091
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 64.00 MM
- DISPLACEMENT:
- 200 CC
- PISTON DIAMETER METRIC:
- 63.96 MM
- PRODUCT NAME:
- TOP END PISTON KIT
MSRP: $215.95Now: $197.96Was: $219.95Qty in Cart: 0Quantity:Price:MSRP: $215.95Now: $197.96Was: $219.95Subtotal: -
On Sale
VERTEX Piston Kit VTK22650B-2
VERTEX
MSRP: $209.95Now: $192.56Was: $213.95VERTEX Piston Kit VTK22650B-2All 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 life9103093- SKU:
- 9103093
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- STYLE:
- CAST REPLICA
- PISTON DIAMETER METRIC:
- 66.35 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- TOP END PISTON KIT
MSRP: $209.95Now: $192.56Was: $213.95Qty in Cart: 0Quantity:Price:MSRP: $209.95Now: $192.56Was: $213.95Subtotal: -
On Sale
VERTEX Piston Kit VTK22650B-1
VERTEX
MSRP: $209.95Now: $192.56Was: $213.95VERTEX Piston Kit VTK22650B-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 life9103094- SKU:
- 9103094
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.35 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- UNITS:
- KIT
MSRP: $209.95Now: $192.56Was: $213.95 -
On Sale
VERTEX Piston Kit VTK22650B
VERTEX
MSRP: $209.95Now: $192.56Was: $213.95VERTEX Piston Kit VTK22650BAll 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 life9103095- SKU:
- 9103095
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.35 MM
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
MSRP: $209.95Now: $192.56Was: $213.95 -
On Sale
VERTEX Piston Kit VTK23630A-1
VERTEX
MSRP: $219.95Now: $201.56Was: $223.95VERTEX Piston Kit VTK23630A-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 life9103096- SKU:
- 9103096
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.34 MM
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
MSRP: $219.95Now: $201.56Was: $223.95 -
On Sale
VERTEX Piston Kit VTK23630A
VERTEX
MSRP: $215.95Now: $197.96Was: $219.95VERTEX Piston Kit VTK23630AAll 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 life9103097- SKU:
- 9103097
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
MSRP: $215.95Now: $197.96Was: $219.95Qty in Cart: 0Quantity:Price:MSRP: $215.95Now: $197.96Was: $219.95Subtotal: -
On Sale
VERTEX Piston Kit VTK23630B-1
VERTEX
MSRP: $219.95Now: $201.56Was: $223.95VERTEX Piston Kit VTK23630B-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 life9103098- SKU:
- 9103098
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- DISPLACEMENT:
- 250 CC
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.35 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
MSRP: $219.95Now: $201.56Was: $223.95 -
On Sale
VERTEX Piston Kit VTK23630B
VERTEX
MSRP: $215.95Now: $197.96Was: $219.95VERTEX Piston Kit VTK23630BAll 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 life9103099- SKU:
- 9103099
- Availability:
- Ships Same Business Day
- Weight:
- 1.24 LBS
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- STREET
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.35 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
MSRP: $215.95Now: $197.96Was: $219.95 -
On Sale
VERTEX Piston Kit VTK23375B-2
VERTEX
MSRP: $241.95Now: $222.26Was: $246.95VERTEX Piston Kit VTK23375B-2All 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 life9103106- SKU:
- 9103106
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 300 CC
- PISTON DIAMETER METRIC:
- 71.95 MM
- PRODUCT NAME:
- TOP END PISTON KIT
- STYLE:
- CAST REPLICA
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- STREET
- CYLINDER DIAMETER METRIC:
- 72.00 MM
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
MSRP: $241.95Now: $222.26Was: $246.95 -
On Sale
VERTEX Piston Kit VTK23375B-1
VERTEX
MSRP: $247.95Now: $227.66Was: $252.95VERTEX Piston Kit VTK23375B-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 life9103107- SKU:
- 9103107
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- PISTON DIAMETER METRIC:
- 71.95 MM
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- STREET
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 72.00 MM
- DISPLACEMENT:
- 300 CC
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- STYLE:
- CAST REPLICA
MSRP: $247.95Now: $227.66Was: $252.95 -
On Sale
VERTEX Piston Kit VTK22877B
VERTEX
MSRP: $134.95Now: $124.16Was: $137.95VERTEX Piston Kit VTK22877BAll 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 life9103123- SKU:
- 9103123
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- DISPLACEMENT:
- 85 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 48.00 MM
- PISTON DIAMETER METRIC:
- 47.95 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- TOP END PISTON KIT
MSRP: $134.95Now: $124.16Was: $137.95 -
On Sale
VERTEX Piston Kit VTK23119B
VERTEX
MSRP: $165.95Now: $152.06Was: $168.95VERTEX Piston Kit VTK23119BAll 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 life9103133- SKU:
- 9103133
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- PISTON DIAMETER METRIC:
- 53.94 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- TOP END PISTON KIT
MSRP: $165.95Now: $152.06Was: $168.95Qty in Cart: 0Quantity:Price:MSRP: $165.95Now: $152.06Was: $168.95Subtotal: -
On Sale
VERTEX Piston Circlips - 4-Stroke 72075K
VERTEX
MSRP: $2.95Now: $2.66Was: $2.95VERTEX Piston Circlips 4-Stroke 72075KOEM Replacements for Vertex piston kits.9130057- SKU:
- 9130057
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- CIRCLIP
- RIDING STYLE:
- UTV
- APPLICATION:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- RIDING STYLE:
- ATV
MSRP: $2.95Now: $2.66Was: $2.95 -
On Sale
VERTEX Piston Circlips - KX/RM/SX65/85 72065K
VERTEX
MSRP: $2.95Now: $2.66Was: $2.95VERTEX Piston Circlips KX/RM/SX65/85 72065KOEM Replacements for Vertex piston kits.9130058- SKU:
- 9130058
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- PISTON
- UNITS:
- PAIR
- PRODUCT NAME:
- CIRCLIP
MSRP: $2.95Now: $2.66Was: $2.95 -
On Sale
VERTEX Piston Circlips - CRF150R 72093K
VERTEX
MSRP: $2.95Now: $2.66Was: $2.95VERTEX Piston Circlips CRF150R 72093KOEM Replacements for Vertex piston kits.9130061- SKU:
- 9130061
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- CIRCLIP
- APPLICATION:
- PISTON
- UNITS:
- PAIR
- RIDING STYLE:
- OFF-ROAD
MSRP: $2.95Now: $2.66Was: $2.95Qty in Cart: 0Quantity:Price:MSRP: $2.95Now: $2.66Was: $2.95Subtotal: -
On Sale
VERTEX Piston Ring 50420004800
VERTEX
MSRP: $240.45Now: $216.41Was: $240.45VERTEX Piston Ring 50420004800Replacement ring set for Vertex piston kit9120842- SKU:
- 9120842
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
MSRP: $240.45Now: $216.41Was: $240.45 -
On Sale
VERTEX Wrist Pin 711195
VERTEX
MSRP: $43.95Now: $40.46Was: $44.95VERTEX Wrist Pin 711195Case hardened wrist pins utilize nitride coatings that produce a high performance, wear resistant wrist pin., Coating wrist pins with a nitride coating is advantageous because it allows the desired surface hardness to be obtained...9120470- SKU:
- 9120470
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WRIST PIN
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- PISTON
MSRP: $43.95Now: $40.46Was: $44.95
