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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- 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
- 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
$265.95Piston Kit with Gaskets - 94.96 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...09031759- SKU:
- 09031759
- 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
$265.95 -
ATHENA Piston Kit with Gaskets - 87.95 mm - SXF350 P5F0880090001A
ATHENA
$243.95Piston 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...09031760- SKU:
- 09031760
- 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
$243.95 -
ATHENA Piston Kit with Gaskets - 87.96 mm - SXF350 P5F0880090001B
ATHENA
$243.95Piston 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
- 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
$243.95Qty in Cart: 0Quantity:Price:$243.95Subtotal: -
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
- 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
$295.95Piston 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...09031763- SKU:
- 09031763
- 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
$295.95 -
ATHENA Piston Kit with Gaskets - 95.96 mm - RMZ450 P5F0960061004B
ATHENA
$269.95Piston 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
- 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
$269.95 -
ATHENA Piston Kit with Gaskets - 96.95 mm - YZ450F P5F0970213005A
ATHENA
$237.95Piston 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
- 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
$237.95 -
ATHENA Piston Kit with Gaskets - 96.96 mm - YZ450F P5F0970213005B
ATHENA
$237.95Piston 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...09031767- SKU:
- 09031767
- 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
$237.95Qty in Cart: 0Quantity:Price:$237.95Subtotal: -
ATHENA Piston Kit with Gaskets - 96.95 mm - YZ450F P5F0970197004A
ATHENA
$229.95Piston 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...09031768- SKU:
- 09031768
- 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
$229.95 -
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
- 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 - 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...09031770- SKU:
- 09031770
- 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
$241.95 -
HINSON RACING Clutch Cover - KTM/Husqvarna/Gas Gas C700-1801
HINSON RACING
$169.99Clutch Cover - KTM/Husqvarna/Gas Gas Improves heat dissipation, Stronger than stock, Precision machined from billet T-6 aircraft-quality aluminum, Race proven by virtually every factory race team, Hard-coated to resist boot wear, Made in the USA09402142- SKU:
- 09402142
- 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 Cylinder Kit - Big Bore - Yamaha 21009-K01
CYLINDER WORKS
$1,106.95Cylinder Kit - Big Bore - Yamaha Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders, Cylinder kit includes matched Vertex pistons to ensure longevity, performance and reduced engine noise,...09311163- SKU:
- 09311163
- 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
- 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
- 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
- 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
- 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
- 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
- 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
