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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WOSSNER Piston Kit 8169DB
WOSSNER
$150.96WOSSNER Piston Kit 8169DB2-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...9104862- SKU:
- 9104862
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,01 MM
- BORE - OVERSIZE METRIC:
- +0.01 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 66.35 MM
- BORE SIZE METRIC:
- 66.41 MM
- DISPLACEMENT:
- 249 CC
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- DUAL RING
$150.96 -
WOSSNER Piston Kit 8169DA
WOSSNER
$150.96WOSSNER Piston Kit 8169DA2-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...9104861- SKU:
- 9104861
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 66.34 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- DISPLACEMENT:
- 249 CC
- TYPE:
- DUAL RING
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
$150.96 -
WOSSNER Piston Kit 8168DA
WOSSNER
$150.96WOSSNER Piston Kit 8168DA2-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...9104860- SKU:
- 9104860
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$150.96Qty in Cart: 0Quantity:Price:$150.96Subtotal: -
WOSSNER Piston Kit 8167DA
WOSSNER
$117.95WOSSNER Piston Kit 8167DA2-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...9104857- SKU:
- 9104857
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 53.95 MM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 54.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SINGLE RING
- UNITS:
- KIT
$117.95Qty in Cart: 0Quantity:Price:$117.95Subtotal: -
WOSSNER Piston Kit 8160DC
WOSSNER
$117.95WOSSNER Piston Kit 8160DC2-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...9104855- SKU:
- 9104855
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON SIZE METRIC:
- 53.97 MM
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- TYPE:
- SINGLE RING
- BORE - OVERSIZE:
- +0,02 MM
- BORE - OVERSIZE METRIC:
- +0.02 MM
- BORE SIZE METRIC:
- 54.02 MM
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
$117.95 -
WOSSNER Piston Kit 8089DC
WOSSNER
$132.95WOSSNER Piston Kit 8089DC2-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...9104814- SKU:
- 9104814
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE METRIC:
- +0.02 MM
- BORE SIZE METRIC:
- 54.02 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- TYPE:
- SINGLE RING
- BORE - OVERSIZE:
- +0,02 MM
- DISPLACEMENT:
- 124 CC
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 53.97 MM
$132.95 -
On Sale
WOSSNER Piston Kit 8089DB
WOSSNER
MSRP: $132.95Now: $86.42Was: $132.95WOSSNER Piston Kit 8089DB2-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...9104813- SKU:
- 9104813
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE METRIC:
- +0.01 MM
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 53.96 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +0,01 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.01 MM
- RIDING STYLE:
- STREET
- TYPE:
- SINGLE RING
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
MSRP: $132.95Now: $86.42Was: $132.95 -
WOSSNER Piston Kit 8089DA
WOSSNER
$132.95WOSSNER Piston Kit 8089DA2-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...9104812- SKU:
- 9104812
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$132.95Qty in Cart: 0Quantity:Price:$132.95Subtotal: -
WOSSNER Piston Kit 8088DB
WOSSNER
$150.96WOSSNER Piston Kit 8088DB2-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...9104810- SKU:
- 9104810
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.01 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- MODEL:
- STANDARD SERIES
- BORE - OVERSIZE:
- +0,01 MM
- BORE SIZE METRIC:
- 66.41 MM
- DISPLACEMENT:
- 249 CC
- PISTON SIZE METRIC:
- 66.35 MM
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- DUAL RING
$150.96 -
WOSSNER Piston Kit 8088DA
WOSSNER
$150.96WOSSNER Piston Kit 8088DA2-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...9104809- SKU:
- 9104809
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE SIZE METRIC:
- 66.40 MM
- PISTON SIZE METRIC:
- 66.34 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- DUAL RING
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
$150.96 -
WOSSNER Piston Kit 8086DC
WOSSNER
$117.95WOSSNER Piston Kit 8086DC2-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...9104808- SKU:
- 9104808
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.02 MM
- PISTON SIZE METRIC:
- 66.36 MM
- BORE SIZE METRIC:
- 66.42 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +0,02 MM
- DISPLACEMENT:
- 249 CC
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- DUAL RING
$117.95 -
WOSSNER Piston Kit 8086DB
WOSSNER
$117.95WOSSNER Piston Kit 8086DB2-stoke pistons include piston, rings, pin and clips, Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance, 4032 T6 Forged Aluminum Alloy, German Engineered...9104807- SKU:
- 9104807
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +0,01 MM
- BORE - OVERSIZE METRIC:
- +0.01 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 66.41 MM
- DISPLACEMENT:
- 249 CC
- PISTON SIZE METRIC:
- 66.35 MM
- TYPE:
- DUAL RING
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
$117.95 -
On Sale
ATHENA Piston Kit S4F07700030B
ATHENA
MSRP: $226.95Now: $204.26Was: $226.95Two-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All pistons are forged using a...9104207- SKU:
- 9104207
- Weight:
- 8.00 LBS
MSRP: $226.95Now: $204.26Was: $226.95Qty in Cart: 0Quantity:Price:MSRP: $226.95Now: $204.26Was: $226.95Subtotal: -
On Sale
ATHENA Piston Kit S4F07700030A
ATHENA
MSRP: $226.95Now: $204.26Was: $226.95Two-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All pistons are forged using a...9104206- SKU:
- 9104206
- Weight:
- 8.00 LBS
MSRP: $226.95Now: $204.26Was: $226.95Qty in Cart: 0Quantity:Price:MSRP: $226.95Now: $204.26Was: $226.95Subtotal: -
On Sale
ATHENA Piston Kit S4F09600020B
ATHENA
MSRP: $225.95Now: $203.36Was: $225.95Two-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All pistons are forged using a...9104205- SKU:
- 9104205
- Weight:
- 14.00 LBS
MSRP: $225.95Now: $203.36Was: $225.95Qty in Cart: 0Quantity:Price:MSRP: $225.95Now: $203.36Was: $225.95Subtotal: -
On Sale
ATHENA Piston Kit S4F09600020A
ATHENA
MSRP: $225.95Now: $203.36Was: $225.95Two-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All pistons are forged using a...9104204- SKU:
- 9104204
- Weight:
- 14.00 LBS
MSRP: $225.95Now: $203.36Was: $225.95Qty in Cart: 0Quantity:Price:MSRP: $225.95Now: $203.36Was: $225.95Subtotal: -
On Sale
ATHENA Piston Kit S4F09600016B
ATHENA
MSRP: $226.95Now: $204.26Was: $226.95Two-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All pistons are forged using a...9104203- SKU:
- 9104203
- Weight:
- 16.00 LBS
MSRP: $226.95Now: $204.26Was: $226.95Qty in Cart: 0Quantity:Price:MSRP: $226.95Now: $204.26Was: $226.95Subtotal: -
On Sale
ATHENA Piston Kit S4F09600016A
ATHENA
MSRP: $226.95Now: $204.26Was: $226.95Two-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All pistons are forged using a...9104202- SKU:
- 9104202
- Weight:
- 8.00 LBS
MSRP: $226.95Now: $204.26Was: $226.95Qty in Cart: 0Quantity:Price:MSRP: $226.95Now: $204.26Was: $226.95Subtotal: -
On Sale
ATHENA Piston Kit S4F05400023C
ATHENA
MSRP: $138.95Now: $125.06Was: $138.95Two-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All pistons are forged using a...9104201- SKU:
- 9104201
- Weight:
- 7.00 LBS
MSRP: $138.95Now: $125.06Was: $138.95Qty in Cart: 0Quantity:Price:MSRP: $138.95Now: $125.06Was: $138.95Subtotal: -
On Sale
ATHENA Piston Kit S4F05400023B
ATHENA
MSRP: $138.95Now: $125.06Was: $138.95Two-stroke pistons are made from 4032 silicium, Four-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons, Both include 3% copper in materials for better heat resistance, All pistons are forged using a...9104200- SKU:
- 9104200
- Weight:
- 0.47 LBS
MSRP: $138.95Now: $125.06Was: $138.95Qty in Cart: 0Quantity:Price:MSRP: $138.95Now: $125.06Was: $138.95Subtotal:
