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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WISECO Piston 478M08750
WISECO
$234.95WISECO Piston 478M08750Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with rings and circlips478M08750- SKU:
- 478M08750
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 87.50 MM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 82.00 MM
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 487 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 87.42 MM
- SKIRT COATING:
- NON-COATED
$234.95 -
WISECO Piston 478M08900
WISECO
$246.80WISECO Piston 478M08900Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with rings and circlips478M08900- SKU:
- 478M08900
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
$246.80Qty in Cart: 0Quantity:Price:$246.80Subtotal: -
WISECO Piston Kit 809M08400
WISECO
$154.23WISECO Piston Kit 809M08400All Wiseco pistons are forged from aerospace aluminum alloys on Wiseco’s state-of-the-art forging presses, Built on a legacy of championships for over 60 years by American craftsmen, Wiseco pistons have the latest dyno-tested...9103959- SKU:
- 9103959
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
$154.23Qty in Cart: 0Quantity:Price:$154.23Subtotal: -
WISECO Piston 466M06700
WISECO
$199.95WISECO Piston 466M06700Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with rings and circlips466M06700- SKU:
- 466M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 66.95 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 72.00 MM
- DISPLACEMENT:
- 246 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
$199.95 -
WISECO Piston 4577M09800
WISECO
$239.95WISECO Piston 4577M09800Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with rings and circlips4577M09800- SKU:
- 4577M09800
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- BORE - OVERSIZE:
- +1,00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON DIAMETER METRIC:
- 97.92 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 591 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STROKE LENGTH METRIC:
- 80.00 MM
- BORE SIZE METRIC:
- 98.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
$239.95 -
WISECO Piston 457M05000
WISECO
$161.95WISECO Piston 457M05000Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with rings and circlips457M05000- SKU:
- 457M05000
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 42.00 MM
- BORE SIZE METRIC:
- 50.00 MM
- DISPLACEMENT:
- 79 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- PRODUCT NAME:
- PISTON KIT
- PISTON DIAMETER METRIC:
- 49.95 MM
$161.95 -
WISECO Piston Kit - Racer Elite RE911M06640
WISECO
$237.34WISECO Piston Kit Racer Elite RE911M06640The most advanced forged 2-stroke piston available provides premium performance and durability, 2000 Series alloy provides extreme strength for extreme conditions, ArmorPlating™ for protection from harmful...9105084- SKU:
- 9105084
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- BORE SIZE METRIC:
- 66.40 MM
- UNITS:
- KIT
$237.34Qty in Cart: 0Quantity:Price:$237.34Subtotal: -
On Sale
WISECO Piston Kit - Racer Elite RE924M04900
WISECO
MSRP: $127.98Now: $89.01Was: $136.94WISECO Piston Kit Racer Elite RE924M04900The most advanced forged 2-stroke piston available provides premium performance and durability, 2000 Series alloy provides extreme strength for extreme conditions, ArmorPlating™ for protection from harmful...9105089- SKU:
- 9105089
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 49.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
MSRP: $127.98Now: $89.01Was: $136.94 -
WISECO Piston Kit - Racer Elite RE924M05050
WISECO
$149.95WISECO Piston Kit Racer Elite RE924M05050The most advanced forged 2-stroke piston available provides premium performance and durability, 2000 Series alloy provides extreme strength for extreme conditions, ArmorPlating™ for protection from harmful...9105091- SKU:
- 9105091
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 50.50 MM
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
$149.95 -
WISECO Piston Kit - Racer Elite RE907M05300
WISECO
$139.95WISECO Piston Kit Racer Elite RE907M05300The most advanced forged 2-stroke piston available provides premium performance and durability, 2000 Series alloy provides extreme strength for extreme conditions, ArmorPlating™ for protection from harmful...9105093- SKU:
- 9105093
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- SKIRT COATING:
- ARMORFIT™
- BORE - OVERSIZE:
- +0,50 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 53.00 MM
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- PISTON MATERIAL:
- FORGED
$139.95 -
WOSSNER Connecting Rod - YZ250F P4072
WOSSNER
$164.95WOSSNER Connecting Rod YZ250F P4072Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230562- SKU:
- 9230562
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- STYLE:
- STANDARD
- UNITS:
- KIT
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
$164.95Qty in Cart: 0Quantity:Price:$164.95Subtotal: -
WOSSNER Connecting Rod - KTM85XS P2006
WOSSNER
$98.95WOSSNER Connecting Rod KTM85XS P2006Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230570- SKU:
- 9230570
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- STYLE:
- STANDARD
$98.95Qty in Cart: 0Quantity:Price:$98.95Subtotal: -
WOSSNER Connecting Rod - CR125 P2040
WOSSNER
$120.95WOSSNER Connecting Rod CR125 P2040Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230571- SKU:
- 9230571
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- STANDARD
$120.95 -
WOSSNER Connecting Rod - CR500 P2044
WOSSNER
$152.00WOSSNER Connecting Rod CR500 P2044Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230572- SKU:
- 9230572
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- STANDARD
$152.00 -
WOSSNER Connecting Rod - YZ125 P2047
WOSSNER
$120.95WOSSNER Connecting Rod YZ125 P2047Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230573- SKU:
- 9230573
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- STANDARD
$120.95 -
WOSSNER Connecting Rod - KX60 P2001
WOSSNER
$98.95WOSSNER Connecting Rod KX60 P2001Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230388- SKU:
- 9230388
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$98.95 -
WOSSNER Connecting Rod - CR250 P2021
WOSSNER
$120.95WOSSNER Connecting Rod CR250 P2021Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230389- SKU:
- 9230389
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- STYLE:
- STANDARD
$120.95 -
WOSSNER Connecting Rod - KX125 P2033
WOSSNER
$122.00WOSSNER Connecting Rod KX125 P2033Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230391- SKU:
- 9230391
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$122.00 -
WOSSNER Connecting Rod - 300EXC P2024
WOSSNER
$120.95WOSSNER Connecting Rod 300EXC P2024Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230392- SKU:
- 9230392
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$120.95 -
WOSSNER Connecting Rod - CR125 P2009
WOSSNER
$120.95WOSSNER Connecting Rod CR125 P2009Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230393- SKU:
- 9230393
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$120.95
