Dirt Bike Engine
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts.
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- Qty in Cart
- Quantity
- Price
- Subtotal
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ATHENA Piston Kit with Gaskets - 94.95 mm - SXF450 P5F0950081001A
ATHENA
$265.95Piston Kit with Gaskets - 94.95 mm - SXF450 Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance, The smooth...09031758- SKU:
- 09031758
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- DISPLACEMENT:
- 450 CC
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 94.95 MM
- MODEL:
- A
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- 12.6:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$265.95 -
ATHENA Piston Kit with Gaskets - 94.96 mm - SXF450 P5F0950081001B
ATHENA
$279.95Piston Kit with Gaskets - 94.96 mm High-performance aluminum alloy construction for enhanced durability. Designed with high silicon content for improved reliability. Smooth profile for optimal airflow and flame propagation. Manufactured...09031759- SKU:
- 09031759
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BORE SIZE METRIC:
- 94.96 MM
- DISPLACEMENT:
- 450 CC
- MODEL:
- B
- PRODUCT NAME:
- PISTON KIT
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 12.6:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- TYPE:
- TOP END
$279.95 -
ATHENA Piston Kit with Gaskets - 87.95 mm - SXF350 P5F0880090001A
ATHENA
$257.02Piston Kit with Gaskets - 87.95 mm - SXF350 High-performance aluminum alloy construction for enhanced durability. Designed for 4-stroke Off-Road motorcycles, ensuring optimal performance. Precision-engineered using CNC machines for...09031760- SKU:
- 09031760
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 87.95 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 14.2:1
- DISPLACEMENT:
- 349 CC
- TYPE:
- TOP END
- MODEL:
- A
- PRODUCT NAME:
- PISTON KIT
$257.02Qty in Cart: 0Quantity:Price:$257.02Subtotal: -
ATHENA Piston Kit with Gaskets - 87.96 mm - SXF350 P5F0880090001B
ATHENA
$257.02Piston Kit with Gaskets - 87.96 mm - SXF350 Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance, The smooth...09031761- SKU:
- 09031761
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 87.96 MM
- COMPRESSION RATIO IMPERIAL:
- 14.2:1
- DISPLACEMENT:
- 349 CC
- TYPE:
- TOP END
- MODEL:
- B
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$257.02Qty in Cart: 0Quantity:Price:$257.02Subtotal: -
ATHENA Piston Kit with Gaskets - 87.95 mm - SXF350 P5F0880079001A
ATHENA
$295.95Piston Kit with Gaskets - 87.95 mm - SXF350 Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance, The smooth...09031762- SKU:
- 09031762
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
- BORE SIZE METRIC:
- 87.95 MM
- RIDING STYLE:
- OFF-ROAD
- COMPRESSION RATIO IMPERIAL:
- 14.2:1
- TYPE:
- TOP END
- UNITS:
- KIT
- DISPLACEMENT:
- 349 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- A
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
$295.95 -
ATHENA Piston Kit with Gaskets - 87.96 mm - SXF350 P5F0880079001B
ATHENA
$311.02Piston Kit with Gaskets - 87.96 mm - SXF350 High-performance aluminum alloy construction for enhanced durability. Designed for 4-stroke Off-Road motorcycles, ensuring optimal performance. Precision-engineered using CNC machines for superior...09031763- SKU:
- 09031763
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- 14.2:1
- DISPLACEMENT:
- 349 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 87.96 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- MODEL:
- B
$311.02 -
ATHENA Piston Kit with Gaskets - 95.96 mm - RMZ450 P5F0960061004B
ATHENA
$283.95Piston Kit with Gaskets - 95.96 mm - RMZ450 Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance, The smooth...09031765- SKU:
- 09031765
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BORE SIZE METRIC:
- 95.96 MM
- DISPLACEMENT:
- 450 CC
- MODEL:
- B
- PRODUCT NAME:
- PISTON KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- TOP END
$283.95 -
ATHENA Piston Kit with Gaskets - 96.95 mm - YZ450F P5F0970213005A
ATHENA
$249.95Piston Kit with Gaskets - 96.95 mm - YZ450F Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance, The smooth...09031766- SKU:
- 09031766
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BORE SIZE METRIC:
- 96.95 MM
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- 13.7:1
- TYPE:
- TOP END
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- A
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 449 CC
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
$249.95 -
ATHENA Piston Kit with Gaskets - 96.96 mm - YZ450F P5F0970213005B
ATHENA
$249.95Piston Kit with Gaskets - 96.96 mm - YZ450F High-performance aluminum alloy construction for enhanced reliability. Designed with high silicon content for superior resistance and performance. Smooth profile ensures optimal flow and flame...09031767- SKU:
- 09031767
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.7:1
- MODEL:
- B
- DISPLACEMENT:
- 449 CC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 96.96 MM
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- TOP END
$249.95Qty in Cart: 0Quantity:Price:$249.95Subtotal: -
ATHENA Piston Kit with Gaskets - 96.95 mm - YZ450F P5F0970197004A
ATHENA
$242.15Piston Kit with Gaskets - 96.95 mm - YZ450F Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance, The smooth...09031768- SKU:
- 09031768
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 96.95 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- A
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- DISPLACEMENT:
- 450 CC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$242.15 -
ATHENA Piston Kit with Gaskets - 96.96 mm - YZ450F P5F0970197004B
ATHENA
$229.95Piston Kit with Gaskets - 96.96 mm - YZ450F Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance, The smooth...09031769- SKU:
- 09031769
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- DISPLACEMENT:
- 450 CC
- MODEL:
- B
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 96.96 MM
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- PISTON MATERIAL:
- FORGED
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
$229.95 -
ATHENA Piston Kit with Gaskets - 96.95 mm - YZ450F P5F0970188003A
ATHENA
$241.95Piston Kit with Gaskets - 96.95 mm - High-performance aluminum alloy construction for enhanced durability. Designed specifically for YZ450F 4-stroke Off-Road motorcycles. Smooth profile ensures optimal flow and flame propagation. ...09031770- SKU:
- 09031770
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- MODEL:
- A
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 450 CC
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 96.95 MM
- PRODUCT NAME:
- PISTON KIT
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
$241.95Qty in Cart: 0Quantity:Price:$241.95Subtotal: -
Hinson Racing Clutch Cover KTM 250 SX 2018-2022 C700-1801
HINSON RACING
$169.99Upgrade your ride with our premium Clutch Cover designed specifically for KTM, Husqvarna, and Gas Gas models. Engineered for optimal heat dissipation and enhanced durability, this clutch cover is the perfect choice for serious racers and enthusiasts...09402142- SKU:
- 09402142
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- MATERIAL:
- T-6 ALUMINUM
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- UNITS:
- EACH
$169.99 -
Cylinder Works Big Bore Cylinder Kit 295cc for Yamaha YZ250 1999-2023 21009-K01
CYLINDER WORKS
$1,106.95Upgrade your Yamaha with our high-performance Big Bore Cylinder Kit, designed for effortless installation and superior durability. This ready-to-install kit features OEM-like aesthetics and is engineered to enhance your engine's efficiency and...09311163- SKU:
- 09311163
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- GRAY
- CYLINDER DIAMETER:
- 72,00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 72.00 MM
- DISPLACEMENT:
- 295 CC
- OVERBORE METRIC:
- +5.60 MM
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
$1,106.95 -
ACERBIS X-Power Kit - Black - Suzuki 2983330001
ACERBIS
$69.95X-Power Kit - Black - Suzuki Right side: clutch crankcase and water pump protection, Left side: ignition crankcase protection, Resistant to high temperatures, the numerous air intakes prevent overheating, Applies with the original screws adhering...09402143- SKU:
- 09402143
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- METAL
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- STREET
- MODEL:
- X-POWER
- TYPE:
- SIDE COVER
- PRODUCT NAME:
- X-POWER KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$69.95 -
ACERBIS X-Power Kit - Black - Husqvarna/KTM 2983230001
ACERBIS
$69.95X-Power Kit - Black - Husqvarna/KTM Protects against wear, shock, abrasion, mud sand and debris, Right side: clutch cover protection, water pump and lower crankcase, Left side: ignition cover protection, Resistant to high temperatures, numerous vents...09402144- SKU:
- 09402144
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- X-POWER
- COLOR/FINISH:
- BLACK
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- STEEL
- PRODUCT NAME:
- X-POWER KIT
- TYPE:
- SIDE COVER
$69.95 -
ACERBIS X-Power Kit - Blue - Husqvarna/KTM 2983230003
ACERBIS
$69.95X-Power Kit - Blue - Husqvarna/KTM Protects against wear, shock, abrasion, mud sand and debris, Right side: clutch cover protection, water pump and lower crankcase, Left side: ignition cover protection, Resistant to high temperatures, numerous vents...09402145- SKU:
- 09402145
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLUE
- MATERIAL:
- PLASTIC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- X-POWER
- TYPE:
- SIDE COVER
- MATERIAL:
- STEEL
- PRODUCT NAME:
- X-POWER KIT
$69.95 -
ACERBIS X-Power Kit - Black - Honda CRF 2982510001
ACERBIS
$69.95X-Power Kit - Black - Honda CRF Adheres perfectly to the original crankcase and protects them from wear, impact, abrasion, mud sand and debris, Right side: clutch housing and water pump, Left side: crankcase protection, High temperature resistant,...09402146- SKU:
- 09402146
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MODEL:
- X-POWER
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- MATERIAL:
- STEEL
- PRODUCT NAME:
- X-POWER KIT
- MATERIAL:
- NYLON
- TYPE:
- SIDE COVER
$69.95 -
ACERBIS X-Power Kit - Red - Honda CRF 2982510004
ACERBIS
$69.95X-Power Kit - Red - Honda CRF Adheres perfectly to the original crankcase and protects them from wear, impact, abrasion, mud sand and debris, Right side: clutch housing and water pump, Left side: crankcase protection, High temperature resistant, numerous...09402147- SKU:
- 09402147
- Availability:
- Ships Same Business Day
- Weight:
- 22.40 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- X-POWER KIT
- UNITS:
- KIT
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
- MODEL:
- X-POWER
- MATERIAL:
- NYLON
- TYPE:
- SIDE COVER
$69.95 -
ACERBIS X-Power Kit - Orange - Husqvarna/KTM 2983235226
ACERBIS
$69.95X-Power Kit - Orange - Husqvarna/KTM Protects against wear, shock, abrasion, mud sand and debris, Right side: clutch cover protection, water pump and lower crankcase, Left side: ignition cover protection, Resistant to high temperatures, numerous vents...09402148- SKU:
- 09402148
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- ORANGE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- STEEL
- PRODUCT NAME:
- X-POWER KIT
- TYPE:
- SIDE COVER
- MATERIAL:
- PLASTIC
- MODEL:
- X-POWER
$69.95
