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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On Sale
VERTEX Piston Kit - Standard 22189B
VERTEX
MSRP: $128.95Now: $118.76Was: $132.95VERTEX 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 life09101027- SKU:
- 09101027
- 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: $132.95 -
On Sale
VERTEX Piston Kit - Standard 22685C
VERTEX
MSRP: $134.95Now: $124.16Was: $138.95VERTEX 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 life09101028- SKU:
- 09101028
- 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: $138.95 -
On Sale
VERTEX Piston Kit - Standard 22581B
VERTEX
MSRP: $193.95Now: $178.16Was: $198.95VERTEX 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 life09101033- SKU:
- 09101033
- 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: $198.95 -
On Sale
VERTEX Piston Kit - Standard 22809B
VERTEX
MSRP: $155.95Now: $143.06Was: $159.95VERTEX 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 life09101034- SKU:
- 09101034
- 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: $159.95 -
On Sale
VERTEX Piston Kit - Standard 23133B
VERTEX
MSRP: $171.95Now: $157.46Was: $175.95VERTEX 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 life09101035- SKU:
- 09101035
- 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: $175.95 -
On Sale
VERTEX Piston Kit - Standard 22447
VERTEX
MSRP: $198.95Now: $182.66Was: $203.95VERTEX 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 life09101036- SKU:
- 09101036
- 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: $203.95 -
On Sale
VERTEX Piston Kit 22860B
VERTEX
MSRP: $107.95Now: $98.96Was: $110.95VERTEX 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...09101048- SKU:
- 09101048
- 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: $110.95 -
On Sale
VERTEX Piston Kit - Standard 22502B
VERTEX
MSRP: $112.95Now: $69.00Was: $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 life09101050- SKU:
- 09101050
- 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: $69.00Was: $114.95 -
On Sale
VERTEX Piston Kit - Standard 22803B
VERTEX
MSRP: $107.95Now: $98.96Was: $110.95VERTEX 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 life09101051- SKU:
- 09101051
- 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: $110.95 -
On Sale
VERTEX Piston Kit - Big Bore 24081B
VERTEX
MSRP: $322.95Now: $194.00Was: $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 life09104142- SKU:
- 09104142
- 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: $194.00Was: $322.95 -
On Sale
VERTEX Piston Kit 23621A
VERTEX
MSRP: $171.95Now: $157.46Was: $175.95VERTEX 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...09103395- SKU:
- 09103395
- 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: $175.95 -
On Sale
VERTEX Piston Kit 23958A
VERTEX
MSRP: $225.95Now: $206.96Was: $231.95VERTEX 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 life09103396- SKU:
- 09103396
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
MSRP: $225.95Now: $206.96Was: $231.95 -
On Sale
VERTEX Piston Kit 23958B
VERTEX
MSRP: $215.95Now: $197.96Was: $221.95VERTEX 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 life09103397- SKU:
- 09103397
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
MSRP: $215.95Now: $197.96Was: $221.95 -
On Sale
VERTEX Piston Kit - High Compression 23959A
VERTEX
MSRP: $247.95Now: $152.00Was: $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 life09103399- SKU:
- 09103399
- 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: $152.00Was: $252.95 -
On Sale
VERTEX Piston Kit 23961B
VERTEX
MSRP: $198.95Now: $122.00Was: $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 life09103406- SKU:
- 09103406
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
MSRP: $198.95Now: $122.00Was: $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 life09103407- SKU:
- 09103407
- 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 23384400
VERTEX
MSRP: $171.95Now: $157.46Was: $175.95VERTEX 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 life09102540- SKU:
- 09102540
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
MSRP: $171.95Now: $157.46Was: $175.95 -
On Sale
VERTEX Piston Kit 22356A
VERTEX
MSRP: $171.95Now: $157.46Was: $175.95VERTEX 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 life09102541- SKU:
- 09102541
- 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: $175.95 -
On Sale
VERTEX Piston Kit 22584A
VERTEX
MSRP: $149.95Now: $137.66Was: $153.95VERTEX 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...09102542- SKU:
- 09102542
- 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: $153.95 -
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...09102543- SKU:
- 09102543
- 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
