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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- Qty in Cart
- Quantity
- Price
- Subtotal
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On Sale
VERTEX Piston Kit 22481AB
VERTEX
MSRP: $86.95Now: $80.06Was: $89.95VERTEX Piston Kit 22481ABAll 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...09102234- SKU:
- 09102234
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 65 CC
- PISTON DIAMETER METRIC:
- 44.96 MM
- STYLE:
- CAST REPLICA
- CYLINDER DIAMETER METRIC:
- 45.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
MSRP: $86.95Now: $80.06Was: $89.95 -
On Sale
VERTEX Piston Kit 23375A
VERTEX
MSRP: $207.95Now: $190.76Was: $213.95VERTEX Piston Kit 23375AAll 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...09102421- SKU:
- 09102421
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 71.94 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 300 CC
- STYLE:
- CAST REPLICA
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- CYLINDER DIAMETER METRIC:
- 72 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $207.95Now: $190.76Was: $213.95 -
On Sale
VERTEX Piston Kit 23375C
VERTEX
MSRP: $207.95Now: $190.76Was: $213.95VERTEX Piston Kit 23375CAll 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...09102422- SKU:
- 09102422
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- DISPLACEMENT:
- 300 CC
- PISTON DIAMETER METRIC:
- 71.96 MM
- CYLINDER DIAMETER METRIC:
- 72 MM
MSRP: $207.95Now: $190.76Was: $213.95 -
On Sale
VERTEX Piston Kit 22995B
VERTEX
MSRP: $128.95Now: $118.76Was: $132.95VERTEX Piston Kit 22995BAll 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...09102034- SKU:
- 09102034
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- PISTON DIAMETER METRIC:
- 53.93 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
MSRP: $128.95Now: $118.76Was: $132.95 -
WISECO Wrist Pin S270
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS270- SKU:
- S270
- Weight:
- 0.10 LBS
- LENGTH:
- 50,6 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 16.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- LENGTH METRIC:
- 50.6 MM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- OUTSIDE DIAMETER:
- 16,00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
$22.99 -
WISECO Wrist Pin S277
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS277- SKU:
- S277
- Weight:
- 0.25 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- APPLICATION:
- PISTON
- LENGTH:
- 72 MM
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 18,00 MM
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- LENGTH METRIC:
- 72 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$22.99Qty in Cart: 0Quantity:Price:$22.99Subtotal: -
WISECO Wrist Pin S278
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS278- SKU:
- S278
- Weight:
- 0.25 LBS
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 62.8 MM
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 18,00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WRIST PIN
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
- UNITS:
- EACH
- LENGTH:
- 62,8 MM
- MATERIAL:
- SILICONE
- RIDING STYLE:
- ATV
$22.99 -
WISECO Wrist Pin S280
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS280- SKU:
- S280
- Weight:
- 0.25 LBS
- APPLICATION:
- PISTON
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 18,00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- SNOW
- LENGTH:
- 55 MM
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
- UNITS:
- EACH
- RIDING STYLE:
- WATERCRAFT
- LENGTH METRIC:
- 55 MM
- MATERIAL:
- SILICONE
$22.99 -
WISECO Wrist Pin S288
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS288- SKU:
- S288
- Weight:
- 0.13 LBS
- LENGTH METRIC:
- 54 MM
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 14,00 MM
- RIDING STYLE:
- OFF-ROAD
- LENGTH:
- 54 MM
- OUTSIDE DIAMETER METRIC:
- 14.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- APPLICATION:
- PISTON
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
$22.99 -
On Sale
WISECO Piston Kit - Yamaha YZ426F 4694M09700
WISECO
MSRP: $287.86Now: $181.00Was: $302.25Wiseco 4694M09700 Piston Kit Rev up the performance of your Yamaha YZ426F and WR426F with the Wiseco 4694M09700 Piston Kit—a superior upgrade designed for riders who demand maximum power, strength, and reliability. Engineered with top-notch...09102920- SKU:
- 09102920
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- DISPLACEMENT:
- 426 CC
- STROKE LENGTH METRIC:
- 60.10 MM
- BORE SIZE METRIC:
- 97.00 MM
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
MSRP: $287.86Now: $181.00Was: $302.25Qty in Cart: 0Quantity:Price:MSRP: $287.86Now: $181.00Was: $302.25Subtotal: -
WISECO Piston Kit - Honda XR650R 4716M10000
WISECO
$239.95Wiseco 4716M10000 Piston Kit Unlock the full potential of your Honda XR650R with the Wiseco 4716M10000 Piston Kit, a premium upgrade tailored for riders seeking ultimate performance, strength, and reliability. Leveraging advanced engineering and...09102921- SKU:
- 09102921
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- DISPLACEMENT:
- 644 CC
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 100.00 MM
- STROKE LENGTH METRIC:
- 82.60 MM
$239.95 -
WISECO Piston Kit - Honda XR650R 4716M10240
WISECO
$269.95Wiseco 4716M10240 Piston Kit Elevate your Honda XR650R’s performance with the Wiseco 4716M10240 Piston Kit, the ultimate upgrade for riders who demand power, durability, and precision. Designed with advanced materials and expert craftsmanship, this...09102922- SKU:
- 09102922
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- BORE - OVERSIZE:
- +2,40 MM
- BORE - OVERSIZE METRIC:
- +2.40 MM
- BORE SIZE METRIC:
- 102.36 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- DISPLACEMENT:
- 644 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 82.60 MM
$269.95 -
WISECO Piston Kit - XT/TT/SR500 4764M08700
WISECO
$239.95Wiseco 4764M08700 Piston Kit Enhance the performance of your Yamaha TT500, XT500, or SR500 with the Wiseco 4764M08700 Piston Kit—a trusted upgrade for riders seeking unmatched power, precision, and durability. Delivering exceptional engineering and...09102923- SKU:
- 09102923
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 87.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- DISPLACEMENT:
- 499 CC
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- STREET
- STROKE LENGTH METRIC:
- 84.00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
WISECO Piston Kit 4764M08800
WISECO
$239.95Wiseco 4764M08800 Piston Kit Upgrade your Yamaha TT500, XT500, or SR500 with the Wiseco 4764M08800 Piston Kit, a high-performance solution engineered for riders seeking durability, precision, and superior power. Crafted with attention to detail and...09102924- SKU:
- 09102924
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- BORE SIZE METRIC:
- 88.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +1.00 MM
- RIDING STYLE:
- STREET
- STROKE LENGTH METRIC:
- 84.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 499 CC
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$239.95 -
WISECO Piston Kit 4783M09000
WISECO
$269.95Wiseco 4783M09000 Piston Kit Transform the performance of your Yamaha TT500, XT500, or SR500 with the Wiseco 4783M09000 Piston Kit, a high-quality upgrade designed to exceed the demands of riders who need power, durability, and precision. Engineered with...09102927- SKU:
- 09102927
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- STROKE LENGTH METRIC:
- 84.00 MM
- BORE - OVERSIZE METRIC:
- +3.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- BORE - OVERSIZE:
- +3,00 MM
- BORE SIZE METRIC:
- 90.00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- DISPLACEMENT:
- 499 CC
- RIDING STYLE:
- STREET
$269.95 -
WISECO Piston Kit - Honda CRF450R 4978M09600
WISECO
$286.95Wiseco 4978M09600 Piston Kit Maximize the performance of your Honda CRF450R with the Wiseco 4978M09600 Piston Kit, a premium upgrade designed for riders who demand precision, reliability, and power. With its advanced engineering and top-notch materials,...09102933- SKU:
- 09102933
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- DISPLACEMENT:
- 449 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.10 MM
$286.95 -
WISECO Piston Kit - Honda CRF450R 4979M09600
WISECO
$269.95Wiseco 4979M09600 Piston Kit Elevate your Honda CRF450R's performance with the Wiseco 4979M09600 Piston Kit, the ultimate choice for riders who demand top-notch reliability, power, and precision. Designed with advanced engineering, this piston kit...09102934- SKU:
- 09102934
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- DISPLACEMENT:
- 449 CC
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.10 MM
$269.95 -
WISECO Piston Kit - Kawasaki KX450F 4980M09600
WISECO
$239.95Wiseco 4980M09600 Piston Kit Upgrade your Kawasaki KX450F with the Wiseco 4980M09600 Piston Kit, the perfect choice for riders demanding the highest levels of performance, reliability, and precision. Designed with cutting-edge technology and top-quality...09102935- SKU:
- 09102935
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- DISPLACEMENT:
- 449 CC
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-STROKE
- STROKE LENGTH METRIC:
- 62.10 MM
$239.95 -
WISECO Piston Kit - Honda CRF250R 4984M08200
WISECO
$264.95Wiseco 4984M08200 Piston Kit Unleash the potential of your Honda CRF with the Wiseco 4984M08200 Piston Kit, the ultimate performance upgrade for riders who demand power, reliability, and precision. Engineered to deliver top-tier results, this piston kit...09102938- SKU:
- 09102938
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE METRIC:
- +4.00 MM
- BORE - OVERSIZE:
- +4,00 MM
- BORE SIZE METRIC:
- 82.00 MM
- DISPLACEMENT:
- 276 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 52.20 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$264.95 -
WISECO Piston Kit - XR650C/L 4989M10100
WISECO
$239.95Wiseco 4989M10100 Piston Kit Take your Honda XR650L to the next level with the Wiseco 4989M10100 Piston Kit, an excellent upgrade for riders who prioritize performance, reliability, and durability. Crafted with advanced materials and precision...09102940- SKU:
- 09102940
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- STROKE LENGTH METRIC:
- 82.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 101.00 MM
- DISPLACEMENT:
- 650 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
$239.95
