Dirt Bike Engine
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts.
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VERTEX Piston Kit - Standard 22712B
VERTEX
$146.95VERTEX Piston Kit Standard 22712BAll 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 life09101056- SKU:
- 09101056
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- PISTON DIAMETER METRIC:
- 53.96 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- DISPLACEMENT:
- 125 CC
$146.95 -
VERTEX Piston Kit - Standard 22498B
VERTEX
$163.95VERTEX Piston Kit Standard 22498BAll 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 life09101055- SKU:
- 09101055
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- PISTON DIAMETER METRIC:
- 53.96 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST RACE
$163.95 -
VERTEX Piston Kit - Standard 22245B
VERTEX
$131.95VERTEX Piston Kit Standard 22245BAll 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 life09101054- SKU:
- 09101054
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 53.96 MM
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
$131.95Qty in Cart: 0Quantity:Price:$131.95Subtotal: -
VERTEX Piston Kit - Standard 22248B
VERTEX
$141.95VERTEX Piston Kit Standard 22248BAll 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 life09101053- SKU:
- 09101053
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- PISTON DIAMETER METRIC:
- 53.96 MM
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STYLE:
- CAST REPLICA
$141.95 -
VERTEX Piston Kit - Standard 22499B
VERTEX
$109.95VERTEX Piston Kit Standard 22499BAll 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 life09101023- SKU:
- 09101023
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 46.95 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- CYLINDER DIAMETER METRIC:
- 47.00 MM
- DISPLACEMENT:
- 80 CC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
$109.95 -
VERTEX Piston Kit 23381B
VERTEX
$303.95VERTEX Piston Kit 23381BAll 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 life09101020- SKU:
- 09101020
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
$303.95 -
VERTEX Piston Kit 22942B
VERTEX
$303.95VERTEX Piston Kit 22942BAll 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 life09101017- SKU:
- 09101017
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
$303.95 -
VERTEX Piston Kit 23379B
VERTEX
$280.95VERTEX Piston Kit 23379BAll 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 life09101012- SKU:
- 09101012
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$280.95 -
VERTEX Piston Kit 23329B
VERTEX
$280.95VERTEX Piston Kit 23329BAll 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 life09101007- SKU:
- 09101007
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
$280.95 -
VERTEX Piston Kit 23235A
VERTEX
$280.95VERTEX Piston Kit 23235AAll 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 life09101004- SKU:
- 09101004
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
$280.95 -
VERTEX Piston Kit - Standard 22541B
VERTEX
$280.95VERTEX Piston Kit Standard 22541BAll 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 life09101003- SKU:
- 09101003
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 77.95 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- CYLINDER DIAMETER METRIC:
- 78.00 MM
- DISPLACEMENT:
- 360 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
$280.95Qty in Cart: 0Quantity:Price:$280.95Subtotal: -
VERTEX Piston Kit 22925B
VERTEX
$224.95VERTEX Piston Kit 22925BAll 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 life09100992- SKU:
- 09100992
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
- CYLINDER DIAMETER METRIC:
- 64.00 MM
- DISPLACEMENT:
- 200 CC
- PRODUCT NAME:
- PISTON KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 63.95 MM
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
$224.95 -
ATHENA Piston Kit S5F08300005B
ATHENA
$256.95ATHENA Piston Kit S5F08300005BTwo-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All...09100884- SKU:
- 09100884
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- B
- BORE SIZE METRIC:
- 82.96 MM
- COMPRESSION RATIO IMPERIAL:
- STOCK
- PISTON HEAD SHAPE:
- DOMED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$256.95 -
ATHENA Piston Kit S4C05800002B
ATHENA
$242.95ATHENA Piston Kit S4C05800002BIncludes rings, clips and pin, Easy-to-follow step-by-step installation instructions09100878- SKU:
- 09100878
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
- COMPRESSION RATIO IMPERIAL:
- 14.0:1
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 57.95 MM
- PISTON SIZE METRIC:
- STANDARD SIZE B
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- STYLE:
- BIG BORE
- PRODUCT NAME:
- PISTON
$242.95 -
ATHENA Piston Kit S4C05800002A
ATHENA
$242.95ATHENA Piston Kit S4C05800002AIncludes rings, clips and pin, Easy-to-follow step-by-step installation instructions09100877- SKU:
- 09100877
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
- COMPRESSION RATIO IMPERIAL:
- 14.0:1
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- STANDARD SIZE A
- RIDING STYLE:
- OFF-ROAD
- PISTON DIAMETER METRIC:
- 57.94 MM
- STYLE:
- BIG BORE
- UNITS:
- EACH
- PRODUCT NAME:
- PISTON
$242.95 -
BBR MOTORSPORTS Piston Kit - 240cc 411-HCF-2305
BBR MOTORSPORTS
$157.95BBR MOTORSPORTS Piston Kit 240cc 411-HCF-2305Replacement piston kit includes piston, rings, pin and clips09100842- SKU:
- 09100842
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- STYLE:
- BIG BORE
- DISPLACEMENT:
- 240 CC
- PRODUCT NAME:
- PISTON KIT
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$157.95Qty in Cart: 0Quantity:Price:$157.95Subtotal: -
WISECO Piston Kit - CRF150R - 2mm 4924M06800
WISECO
$264.95Bore: 68.00mmCompression: 12.4:1 CompressionSizing: 2.00mm OversizeForged from high-silicon aluminum alloy for maximum strength and dependability..Innovative forging design and piston skirt provide maximum horsepower and torque..Wiseco High-Performance...09100822- SKU:
- 09100822
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- MOLY COATED
- STROKE LENGTH METRIC:
- 43.70 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 68.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.4:1
- DISPLACEMENT:
- 159 CC
- RIDING STYLE:
- OFF-ROAD
$264.95Qty in Cart: 0Quantity:Price:$264.95Subtotal: -
WISECO Piston Kit - Standard - CRF150R 4924M06600
WISECO
$224.95Wiseco 4924M06600 Piston Kit Elevate your Honda CRF150R’s performance with the Wiseco 4924M06600 Piston Kit, expertly designed to deliver unmatched durability, power, and precision. Engineered for high-performance 4-stroke engines, this piston kit...09100821- SKU:
- 09100821
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 43.70 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- MOLY COATED
- BORE SIZE METRIC:
- 66.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.2:1
- DISPLACEMENT:
- 150 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$224.95 -
WISECO Piston Kit - Standard - CRF150R 4915M06600
WISECO
$199.95Wiseco 4915M06600 Piston Kit Transform your Honda CRF150R into a true powerhouse with the Wiseco 4915M06600 Piston Kit, engineered to deliver outstanding performance, durability, and precision. This high-compression piston kit is perfect for those who...09100819- SKU:
- 09100819
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- STROKE LENGTH METRIC:
- 43.70 MM
- COMPRESSION RATIO IMPERIAL:
- 11.7:1
- SKIRT COATING:
- MOLY COATED
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 66.00 MM
- DISPLACEMENT:
- 150 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$199.95 -
ATHENA Piston Kit S5F08300002B
ATHENA
$245.95ATHENA Piston Kit S5F08300002BIncludes rings, clips and pin, Easy-to-follow step-by-step installation instructions09100727- SKU:
- 09100727
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 82.96 MM
- PISTON SIZE METRIC:
- STANDARD SIZE B
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- BIG BORE
- PRODUCT NAME:
- PISTON
$245.95Qty in Cart: 0Quantity:Price:$245.95Subtotal:
