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 Kit - Yamaha 40111M09700
WISECO
$239.95WISECO Piston Kit Yamaha 40111M09700Pistons come without gasket kit9103910- SKU:
- 9103910
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 60.80 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 97.00 MM
- DISPLACEMENT:
- 449 CC
$239.95 -
WISECO Piston Kit - Racer Elite RE919M04450
WISECO
$151.25WISECO Piston Kit Racer Elite RE919M04450The 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...9105087- SKU:
- 9105087
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 44.50 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
$151.25Qty in Cart: 0Quantity:Price:$151.25Subtotal: -
WISECO Piston Kit - Racer Elite RE924M04850
WISECO
$134.95WISECO Piston Kit Racer Elite RE924M04850The 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...9105088- SKU:
- 9105088
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE SIZE METRIC:
- 48.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
WISECO Piston - Kawasaki - .50mm 439M07050
WISECO
$203.95WISECO Piston Kawasaki .50mm 439M07050Forged 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...439M07050- SKU:
- 439M07050
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$203.95Qty in Cart: 0Quantity:Price:$203.95Subtotal: -
WISECO Piston Kit - Racer Elite RE924M04950
WISECO
$149.95WISECO Piston Kit Racer Elite RE924M04950The 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...9105090- SKU:
- 9105090
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE:
- +1,00 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 49.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
$149.95 -
WISECO Piston - .50mm 4329M07550
WISECO
$194.95WISECO Piston .50mm 4329M07550Forged 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...4329M07550- SKU:
- 4329M07550
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- DISPLACEMENT:
- 250 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 75.50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PISTON DIAMETER METRIC:
- 75.45 MM
- STROKE LENGTH METRIC:
- 56.50 MM
$194.95 -
WISECO Piston Kit - Racer Elite RE907M05250
WISECO
$139.95WISECO Piston Kit Racer Elite RE907M05250The 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...9105092- SKU:
- 9105092
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE SIZE METRIC:
- 52.50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- PISTON MATERIAL:
- FORGED
$139.95 -
WISECO Piston - 1.0mm 432M05500
WISECO
$157.28WISECO Piston 1.0mm 432M05500Forged 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...432M05500- SKU:
- 432M05500
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$157.28Qty in Cart: 0Quantity:Price:$157.28Subtotal: -
WISECO Piston - Suzuki - 1.50mm 432M05550
WISECO
$181.47WISECO Piston Suzuki 1.50mm 432M05550Forged 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...432M05550- SKU:
- 432M05550
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$181.47Qty in Cart: 0Quantity:Price:$181.47Subtotal: -
WISECO Piston - 2.0mm 432M05600
WISECO
$181.47WISECO Piston 2.0mm 432M05600Forged 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...432M05600- SKU:
- 432M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$181.47Qty in Cart: 0Quantity:Price:$181.47Subtotal: -
WISECO Piston - .50mm 4330M09250
WISECO
$239.95WISECO Piston .50mm 4330M09250Forged 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...4330M09250- SKU:
- 4330M09250
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- BORE - OVERSIZE:
- +0,50 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 92.50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- DISPLACEMENT:
- 498 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 75.00 MM
- PISTON DIAMETER METRIC:
- 92.45 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
$239.95 -
On Sale
WISECO Piston - 1mm 4330M09300
WISECO
MSRP: $226.19Now: $154.38Was: $237.50WISECO Piston 1mm 4330M09300Forged 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...4330M09300- SKU:
- 4330M09300
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- BORE - OVERSIZE:
- +1,00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- DISPLACEMENT:
- 498 CC
- PISTON DIAMETER METRIC:
- 92.95 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 93.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- ENGINE TYPE:
- 4-STROKE
- STROKE LENGTH METRIC:
- 75.00 MM
MSRP: $226.19Now: $154.38Was: $237.50Qty in Cart: 0Quantity:Price:MSRP: $226.19Now: $154.38Was: $237.50Subtotal: -
WISECO Piston Kit - Racer Elite RE926M06640
WISECO
$249.95WISECO Piston Kit Racer Elite RE926M06640The 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...9105097- SKU:
- 9105097
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- TYPE:
- RACER ELITE
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- FORGED
- SKIRT COATING:
- ARMORFIT™
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
$249.95 -
WISECO Piston Kit with Gaskets PK1347
WISECO
$229.95WISECO Piston Kit with Gaskets PK1347Most 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...9030250- SKU:
- 9030250
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- PISTON DIAMETER METRIC:
- 55.95 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- MODEL:
- PRO-LITE
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$229.95 -
WISECO Piston Kit with Gaskets PK1290
WISECO
$269.95WISECO Piston Kit with Gaskets PK1290Most 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...9030254- SKU:
- 9030254
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- ENGINE TYPE:
- 2-STROKE
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +1,10 MM
- DISPLACEMENT:
- 249 CC
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 67.45 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE METRIC:
- +1.10 MM
- BORE SIZE METRIC:
- 67.50 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
$269.95 -
WISECO Piston Kit with Gaskets PK1319
WISECO
$211.29WISECO Piston Kit with Gaskets PK1319Most 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...9030255- SKU:
- 9030255
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$211.29Qty in Cart: 0Quantity:Price:$211.29Subtotal: -
WISECO Piston Kit with Gaskets PK1320
WISECO
$209.95WISECO Piston Kit with Gaskets PK1320Most 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...9030256- SKU:
- 9030256
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- DISPLACEMENT:
- 123 CC
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- PISTON DIAMETER METRIC:
- 54.96 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 55.00 MM
- PRODUCT NAME:
- REBUILD KIT
$209.95 -
WISECO Piston Kit with Gaskets PK1132
WISECO
$284.95WISECO Piston Kit with Gaskets PK1132Most 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...9030258- SKU:
- 9030258
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- BORE - OVERSIZE:
- +2,10 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 72.00 MM
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.10 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 68.50 MM
- DISPLACEMENT:
- 249 CC
- PISTON DIAMETER METRIC:
- 68.46 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$284.95 -
WISECO Piston Kit with Gaskets PK1263
WISECO
$222.33WISECO Piston Kit with Gaskets PK1263Most 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...9030259- SKU:
- 9030259
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$222.33Qty in Cart: 0Quantity:Price:$222.33Subtotal: -
WISECO Piston Kit with Gaskets PK1152
WISECO
$179.95WISECO Piston Kit with Gaskets PK1152Most 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...9030260- SKU:
- 9030260
- Availability:
- Ships Same Business Day
- Weight:
- 1.42 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 82 CC
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 45.80 MM
- UNITS:
- KIT
- BORE SIZE METRIC:
- 49.00 MM
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 48.95 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$179.95
