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 - Honda - 2.0mm 339M05800
WISECO
$206.95WISECO Piston Honda 2.0mm 339M05800Forged 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...339M05800- SKU:
- 339M05800
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 123 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 57.94 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- +2,00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 58.00 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 50.00 MM
$206.95 -
WISECO Piston - Honda - Standard 448M05550
WISECO
$157.28WISECO Piston Honda Standard 448M05550Forged 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...448M05550- SKU:
- 448M05550
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$157.28Qty in Cart: 0Quantity:Price:$157.28Subtotal: -
WISECO Piston 471M06700
WISECO
$201.95WISECO Piston 471M06700Forged 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 circlips471M06700- SKU:
- 471M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STROKE LENGTH METRIC:
- 50.00 MM
- UNITS:
- KIT
- DISPLACEMENT:
- 172 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- PISTON DIAMETER METRIC:
- 66.95 MM
- SKIRT COATING:
- NON-COATED
$201.95 -
WISECO Piston - Yamaha - Standard 452M07000
WISECO
$199.95WISECO Piston Yamaha Standard 452M07000Forged 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...452M07000- SKU:
- 452M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 246 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 70.00 MM
- PISTON DIAMETER METRIC:
- 69.95 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 64.00 MM
- UNITS:
- KIT
$199.95 -
WISECO Piston - Yamaha - 1mm 452M07100
WISECO
$199.95WISECO Piston Yamaha 1mm 452M07100Forged 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...452M07100- SKU:
- 452M07100
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 246 CC
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 64.00 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 71.00 MM
- PISTON DIAMETER METRIC:
- 70.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
$199.95 -
WISECO Piston - Yamaha - 1.25mm 452M07150
WISECO
$224.95WISECO Piston Yamaha 1.25mm 452M07150Forged 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...452M07150- SKU:
- 452M07150
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE:
- +1,25 MM
- DISPLACEMENT:
- 246 CC
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.25 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 71.45 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FORGED SERIES
- BORE SIZE METRIC:
- 71.50 MM
- STROKE LENGTH METRIC:
- 64.00 MM
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
WISECO Piston Kit - Racer Elite RE804M07800
WISECO
$371.41WISECO Piston Kit Racer Elite RE804M07800R&D developed to provide dyno-proven power gains, Asymmetric skirt design for improved wear and even loading on major thrust skirt, Precision fit ring; custom-lapped compression ring for improved power, 100%...9105073- SKU:
- 9105073
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 78.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.5:1
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
$371.41 -
WISECO Piston - Honda - XR650C - 1mm 4562M10100
WISECO
$239.95WISECO Piston Honda XR650C 1mm 4562M10100Forged 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...4562M10100- SKU:
- 4562M10100
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- COMPRESSION RATIO IMPERIAL:
- 8.7:1
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 101.00 MM
- DISPLACEMENT:
- 650 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- PISTON DIAMETER METRIC:
- 100.92 MM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 82.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
WISECO Piston Kit - Racer Elite - KX250F RE811M07700
WISECO
$371.41WISECO Piston Kit Racer Elite KX250F RE811M07700R&D developed to provide dyno-proven power gains, Asymmetric skirt design for improved wear and even loading on major thrust skirt, Precision fit ring; custom-lapped compression ring for improved power,...9105075- SKU:
- 9105075
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE SIZE METRIC:
- 77.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.5:1
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
$371.41 -
WISECO Piston Kit - Racer Elite - YZ250F RE812M07700
WISECO
$371.41WISECO Piston Kit Racer Elite YZ250F RE812M07700R&D developed to provide dyno-proven power gains, Asymmetric skirt design for improved wear and even loading on major thrust skirt, Precision fit ring; custom-lapped compression ring for improved power,...9105076- SKU:
- 9105076
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE SIZE METRIC:
- 77.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.5:1
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
$371.41 -
WISECO Piston Kit - Racer Elite RE921M04750
WISECO
$159.95WISECO Piston Kit Racer Elite RE921M04750The 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...9105077- SKU:
- 9105077
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 47.50 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
WISECO Piston Kit - Racer Elite RE908M05600
WISECO
$204.95WISECO Piston Kit Racer Elite RE908M05600The 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...9105079- SKU:
- 9105079
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
$204.95Qty in Cart: 0Quantity:Price:$204.95Subtotal: -
WISECO Piston 4576M08000
WISECO
$174.95WISECO Piston 4576M08000Forged 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 circlips4576M08000- SKU:
- 4576M08000
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE:
- +1,00 MM
- PISTON DIAMETER METRIC:
- 79.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 80.00 MM
- DISPLACEMENT:
- 349 CC
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 71.20 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$174.95 -
WISECO Piston Kit - Racer Elite RE922M05600
WISECO
$204.95WISECO Piston Kit Racer Elite RE922M05600The 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...9105081- SKU:
- 9105081
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- FORGED
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
$204.95 -
WISECO Piston Kit - Racer Elite RE922M05700
WISECO
$216.61WISECO Piston Kit Racer Elite RE922M05700The 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...9105082- SKU:
- 9105082
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE METRIC:
- +3.00 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- BORE SIZE METRIC:
- 57.00 MM
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +3,00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
$216.61Qty in Cart: 0Quantity:Price:$216.61Subtotal: -
WISECO Piston Kit - Racer Elite RE916M06640
WISECO
$249.95WISECO Piston Kit Racer Elite RE916M06640The 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...9105083- SKU:
- 9105083
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- PISTON MATERIAL:
- FORGED
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
- BORE SIZE METRIC:
- 66.40 MM
$249.95 -
WISECO Piston 457M05100
WISECO
$177.95WISECO Piston 457M05100Forged 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 circlips457M05100- SKU:
- 457M05100
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 50.95 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 42.00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 51.00 MM
- DISPLACEMENT:
- 79 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
$177.95 -
WISECO Piston Kit - Racer Elite RE910M04700
WISECO
$139.95WISECO Piston Kit Racer Elite RE910M04700The 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...9105085- SKU:
- 9105085
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 47.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
- SKIRT COATING:
- ARMORFIT™
$139.95 -
On Sale
WISECO Piston Kit - Racer Elite RE925M06640
WISECO
MSRP: $237.34Now: $165.07Was: $253.95WISECO Piston Kit Racer Elite RE925M06640The 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...9105098- SKU:
- 9105098
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
MSRP: $237.34Now: $165.07Was: $253.95Qty in Cart: 0Quantity:Price:MSRP: $237.34Now: $165.07Was: $253.95Subtotal: -
WISECO Piston Kit with Gaskets PK1117
WISECO
$204.95WISECO Piston Kit with Gaskets PK1117Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips...9030172- SKU:
- 9030172
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- BORE - OVERSIZE:
- +0,50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 66.00 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- PISTON DIAMETER METRIC:
- 65.95 MM
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 192 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 57.80 MM
$204.95
