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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WISECO Piston - Standard - Kawasaki KX 250/KXF 250 Tecate 4 556M06740
WISECO
$199.95Wiseco Piston Kit - Part #556M06740 Revitalize your ride with the Wiseco Piston Kit, part number 556M06740. Precision-engineered for 2-stroke engines, this kit offers superior performance and durability to meet the demands of serious riders. Key...556M06740- SKU:
- 556M06740
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- DISPLACEMENT:
- 249 CC
- STROKE LENGTH:
- 70,00 MM
- STROKE LENGTH METRIC:
- 70.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 67.40 MM
$199.95 -
WISECO Piston - Standard - Kawasaki KX 125 555M05600
WISECO
$154.95Wiseco Piston Kit - Part #555M05600 Unlock the potential of your bike with the Wiseco Piston Kit, part number 555M05600. Designed to meet the demands of serious 2-stroke riders, this premium-grade kit delivers exceptional performance and reliability. Key...555M05600- SKU:
- 555M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 56.00 MM
- DISPLACEMENT:
- 124 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH:
- 50,6 MM
- STROKE LENGTH METRIC:
- 50.60 MM
- UNITS:
- EACH
$154.95 -
WISECO Piston - Standard - Honda CR125R 553M05400
WISECO
$149.79Wiseco Piston Kit - Part #553M05400 Take your bike to the next level with the Wiseco Piston Kit, part number 553M05400. Designed for riders who demand reliability and performance, this kit is engineered to optimize your bike's potential. Key...553M05400- SKU:
- 553M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- BORE SIZE METRIC:
- 54.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH:
- 54,00 MM
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 124 CC
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- UNITS:
- EACH
$149.79 -
WISECO Piston 4606M08600
WISECO
$194.95Wiseco Piston Kit - Part #4606M08600 Upgrade your bike's performance with the Wiseco Piston Kit, part number 4606M08600. Designed for riders seeking durability and peak engine functionality, this premium piston kit is crafted for unmatched performance...4606M08600- SKU:
- 4606M08600
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 70.00 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 86.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 397 CC
- PISTON DIAMETER METRIC:
- 85.95 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$194.95 -
WISECO Piston 4606M08500
WISECO
$194.95Wiseco Piston Kit - Part #4606M08500 Transform your bike's performance with the Wiseco Piston Kit, part number 4606M08500. Built for riders who demand durability and efficiency, this high-performance piston kit is designed to exceed expectations. Key...4606M08500- SKU:
- 4606M08500
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 397 CC
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 84.95 MM
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 85.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 70.00 MM
$194.95 -
WISECO Piston - Kawasaki - Standard 439M07000
WISECO
$199.95Wiseco Piston Kit - Part #439M07000 Elevate your bike's performance with the Wiseco Piston Kit, part number 439M07000. Designed to meet the demands of serious riders, this piston kit combines durability, reliability, and optimized performance. Key...439M07000- SKU:
- 439M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 69.95 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STROKE LENGTH METRIC:
- 64.90 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 2-STROKE
$199.95 -
WISECO Piston - Honda - .50mm 4366M09750
WISECO
$239.95Wiseco Piston Kit - Part #4366M09750 Unlock the full potential of your bike with the Wiseco Piston Kit, part number 4366M09750. Crafted for those who demand both durability and performance, this high-quality piston kit brings cutting-edge engineering to...4366M09750- SKU:
- 4366M09750
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 591 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 97.50 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON DIAMETER METRIC:
- 97.42 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 80.00 MM
$239.95 -
WISECO Piston - 1.0mm 435M05700
WISECO
$154.95Wiseco Piston Kit - Part #435M05700 Boost your bike’s performance with the Wiseco Piston Kit, part number 435M05700. Designed for demanding riders, this kit combines innovative engineering with unparalleled quality to deliver outstanding durability...435M05700- SKU:
- 435M05700
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 123 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 56.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 57.00 MM
- STROKE LENGTH METRIC:
- 50.00 MM
$154.95 -
WISECO Piston - 1mm 4329M07600
WISECO
$194.95Wiseco Piston Kit - Part #4329M07600 Upgrade your bike’s performance with the Wiseco Piston Kit, part number 4329M07600. Designed for riders who demand power and reliability, this high-performance piston kit is engineered to deliver durability and...4329M07600- SKU:
- 4329M07600
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- ENGINE TYPE:
- 4-STROKE
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 76.00 MM
- DISPLACEMENT:
- 250 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- PISTON DIAMETER METRIC:
- 75.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STROKE LENGTH METRIC:
- 56.50 MM
$194.95 -
On Sale
HOT RODS Connecting Rod 8126
HOT RODS
MSRP: $112.95Now: $103.46Was: $116.95HOT RODS Connecting Rod 8126Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...427308- SKU:
- 427308
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- FEATURES:
- INCLUDES THRUST WASHERS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CONNECTING ROD KIT
- UNITS:
- KIT
- ENGINE TYPE:
- 2-CYCLE
- MATERIAL:
- 8620 STEEL
MSRP: $112.95Now: $103.46Was: $116.95 -
On Sale
HOT RODS Connecting Rod 8107
HOT RODS
MSRP: $161.95Now: $148.46Was: $164.95HOT RODS Connecting Rod 8107Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...427303- SKU:
- 427303
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-CYCLE
- FEATURES:
- INCLUDES THRUST WASHERS
MSRP: $161.95Now: $148.46Was: $164.95 -
On Sale
HOT RODS Connecting Rod 8106
HOT RODS
MSRP: $123.95Now: $113.36Was: $125.95HOT RODS Connecting Rod 8106Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...427302- SKU:
- 427302
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- ENGINE TYPE:
- 2-CYCLE
- MATERIAL:
- 8620 STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES THRUST WASHERS
- PRODUCT NAME:
- CONNECTING ROD KIT
MSRP: $123.95Now: $113.36Was: $125.95 -
On Sale
HOT RODS Connecting Rod 8127
HOT RODS
MSRP: $112.95Now: $103.46Was: $114.95HOT RODS Connecting Rod 8127Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...425505- SKU:
- 425505
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- ENGINE TYPE:
- 2-CYCLE
- UNITS:
- KIT
- MATERIAL:
- 8620 STEEL
- FEATURES:
- INCLUDES THRUST WASHERS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CONNECTING ROD KIT
MSRP: $112.95Now: $103.46Was: $114.95 -
On Sale
HOT RODS Connecting Rod 8105
HOT RODS
MSRP: $128.95Now: $118.76Was: $132.95HOT RODS Connecting Rod 8105Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...425503- SKU:
- 425503
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- INCLUDES THRUST WASHERS
- PRODUCT NAME:
- CONNECTING ROD KIT
- UNITS:
- KIT
- ENGINE TYPE:
- 2-CYCLE
- MATERIAL:
- 8620 STEEL
MSRP: $128.95Now: $118.76Was: $132.95 -
On Sale
HOT RODS Connecting Rod 8110
HOT RODS
MSRP: $128.95Now: $118.76Was: $131.95HOT RODS Connecting Rod 8110Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...425502- SKU:
- 425502
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- FEATURES:
- INCLUDES THRUST WASHERS
- ENGINE TYPE:
- 2-CYCLE
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
MSRP: $128.95Now: $118.76Was: $131.95 -
On Sale
HOT RODS Connecting Rod 8111
HOT RODS
MSRP: $123.95Now: $113.36Was: $127.95HOT RODS Connecting Rod 8111Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...423301- SKU:
- 423301
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- 8620 STEEL
- ENGINE TYPE:
- 2-CYCLE
- FEATURES:
- INCLUDES THRUST WASHERS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $123.95Now: $113.36Was: $127.95 -
On Sale
HOT RODS Connecting Rod 8128
HOT RODS
MSRP: $112.95Now: $103.46Was: $116.95HOT RODS Connecting Rod 8128Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...423109- SKU:
- 423109
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- FEATURES:
- INCLUDES THRUST WASHERS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-CYCLE
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
MSRP: $112.95Now: $103.46Was: $116.95 -
On Sale
HOT RODS Connecting Rod 8129
HOT RODS
MSRP: $123.95Now: $113.36Was: $125.95HOT RODS Connecting Rod 8129Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...423108- SKU:
- 423108
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- ENGINE TYPE:
- 2-CYCLE
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- FEATURES:
- INCLUDES THRUST WASHERS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $123.95Now: $113.36Was: $125.95 -
On Sale
HOT RODS Connecting Rod 8112
HOT RODS
MSRP: $123.95Now: $113.36Was: $127.95HOT RODS Connecting Rod 8112Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...423107- SKU:
- 423107
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- FEATURES:
- INCLUDES THRUST WASHERS
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-CYCLE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
MSRP: $123.95Now: $113.36Was: $127.95 -
On Sale
HOT RODS Connecting Rod 8163
HOT RODS
MSRP: $123.95Now: $113.36Was: $125.95HOT RODS Connecting Rod 8163Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...423103- SKU:
- 423103
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- FEATURES:
- INCLUDES THRUST WASHERS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-CYCLE
- MATERIAL:
- 8620 STEEL
MSRP: $123.95Now: $113.36Was: $125.95
