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 - Honda CRF 250 R - Standard 8967DA
WOSSNER
$207.95WOSSNER Piston Kit Honda CRF 250 R Standard 8967DA2 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...9106116- SKU:
- 9106116
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$207.95Qty in Cart: 0Quantity:Price:$207.95Subtotal: -
WOSSNER Piston Kit - Honda CRF 250 R - Standard 8967DB
WOSSNER
$207.95WOSSNER Piston Kit Honda CRF 250 R Standard 8967DB2 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...9106117- SKU:
- 9106117
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- BORE - OVERSIZE:
- +0,01 MM
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- +0.01 MM
- COMPRESSION RATIO IMPERIAL:
- 13.9:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON SIZE METRIC:
- 78.97 MM
- PRODUCT NAME:
- PISTON KIT
- MODEL:
- PREMIUM SERIES
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 79.01 MM
- UNITS:
- KIT
$207.95 -
WOSSNER Piston Kit - Husqvarna TC 510 - Standard 8652DA
WOSSNER
$207.95WOSSNER Piston Kit Husqvarna TC 510 Standard 8652DA2 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...9106118- SKU:
- 9106118
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE SIZE METRIC:
- 97.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- PISTON SIZE METRIC:
- 96.95 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$207.95Qty in Cart: 0Quantity:Price:$207.95Subtotal: -
WOSSNER Piston Kit - Husqvarna TC 510 - Standard 8652DB
WOSSNER
$207.95WOSSNER Piston Kit Husqvarna TC 510 Standard 8652DB2 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...9106119- SKU:
- 9106119
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE - OVERSIZE:
- +0,01 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 96.96 MM
- BORE SIZE METRIC:
- 97.01 MM
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.01 MM
$207.95Qty in Cart: 0Quantity:Price:$207.95Subtotal: -
WOSSNER Piston Kit - Yamaha YZ 450 F - Standard 8776DA
WOSSNER
$198.95WOSSNER Piston Kit Yamaha YZ 450 F Standard 8776DA2 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...9106121- SKU:
- 9106121
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 97.00 MM
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 96.96 MM
$198.95Qty in Cart: 0Quantity:Price:$198.95Subtotal: -
WOSSNER Piston Kit - Yamaha YZ 450 F - Standard 8776DB
WOSSNER
$198.95WOSSNER Piston Kit Yamaha YZ 450 F Standard 8776DB2 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...9106122- SKU:
- 9106122
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- BORE - OVERSIZE METRIC:
- +0.01 MM
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 96.97 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 97.01 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +0,01 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
$198.95 -
WOSSNER Piston Kit - Yamaha YZ 450 F - Standard 8784DA
WOSSNER
$198.95WOSSNER Piston Kit Yamaha YZ 450 F Standard 8784DA2 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...9106123- SKU:
- 9106123
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE SIZE METRIC:
- 95.00 MM
- PISTON SIZE METRIC:
- 94.95 MM
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.3:1
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- COMPRESSION RATIO IMPERIAL:
- 12.6:1
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- ATV
$198.95 -
WOSSNER Piston Kit - KTM SX 450 - Standard 8868DA
WOSSNER
$207.95WOSSNER Piston Kit KTM SX 450 Standard 8868DA2 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...9106124- SKU:
- 9106124
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE SIZE METRIC:
- 95.00 MM
- PISTON SIZE METRIC:
- 94.95 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.6:1
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PREMIUM SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
$207.95 -
WOSSNER Piston Kit - KTM SX 450 - Standard 8873DA
WOSSNER
$207.95WOSSNER Piston Kit KTM SX 450 Standard 8873DA2 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...9106125- SKU:
- 9106125
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE SIZE METRIC:
- 95.00 MM
- PISTON SIZE METRIC:
- 94.95 MM
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- 13.6:1
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
$207.95 -
WOSSNER Piston Kit - KTM/Husqvarna - Standard 8923DA
WOSSNER
$182.95WOSSNER Piston Kit KTM/Husqvarna Standard 8923DA2 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...9106134- SKU:
- 9106134
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- BORE SIZE METRIC:
- 78.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.4:1
- PISTON SIZE METRIC:
- 77.96 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- MODEL:
- PREMIUM SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$182.95 -
WOSSNER Piston Kit - KTM/Husqvarna - Standard 8923DB
WOSSNER
$182.95WOSSNER Piston Kit KTM/Husqvarna Standard 8923DB2 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...9106135- SKU:
- 9106135
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 78.01 MM
- COMPRESSION RATIO IMPERIAL:
- 14.4:1
- BORE - OVERSIZE:
- +0,01 MM
- BORE - OVERSIZE METRIC:
- +0.01 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PREMIUM SERIES
- PISTON SIZE METRIC:
- 77.97 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$182.95 -
WOSSNER Piston Kit - KTM/Husqvarna - Standard 8941DB
WOSSNER
$207.95WOSSNER Piston Kit KTM/Husqvarna Standard 8941DB2 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...9106136- SKU:
- 9106136
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE METRIC:
- +0.01 MM
- BORE SIZE METRIC:
- 88.01 MM
- PISTON SIZE METRIC:
- 87.96 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +0,01 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
$207.95 -
WOSSNER Piston Kit - Yamaha YZ 450 F - Standard 8949DA
WOSSNER
$198.95WOSSNER Piston Kit Yamaha YZ 450 F Standard 8949DA2 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...9106137- SKU:
- 9106137
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- BORE - OVERSIZE:
- STANDARD
- PISTON SIZE METRIC:
- 96.96 MM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 97.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.9:1
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
$198.95 -
WOSSNER Piston Kit - Yamaha YZ 250 F - Standard 8957DA
WOSSNER
$184.00WOSSNER Piston Kit Yamaha YZ 250 F Standard 8957DA2 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...9106138- SKU:
- 9106138
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE SIZE METRIC:
- 77.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.0:1
- MODEL:
- PREMIUM SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 76.96 MM
$184.00 -
WOSSNER Piston Kit - Yamaha YZ 250 F - Standard 8957DB
WOSSNER
$184.00WOSSNER Piston Kit Yamaha YZ 250 F Standard 8957DB2 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...9106139- SKU:
- 9106139
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE METRIC:
- +0.01 MM
- BORE SIZE METRIC:
- 77.01 MM
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- 14.0:1
- MODEL:
- PREMIUM SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,01 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 76.97 MM
$184.00 -
On Sale
WOSSNER Piston Kit - Yamaha WR 450 F - Standard 8964DA
WOSSNER
MSRP: $214.95Now: $139.72Was: $214.95WOSSNER Piston Kit Yamaha WR 450 F Standard 8964DA2 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...9106140- SKU:
- 9106140
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
- MODEL:
- PREMIUM SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 97.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.2:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 96.96 MM
MSRP: $214.95Now: $139.72Was: $214.95 -
WOSSNER Piston Kit - Yamaha WR 450 F - Standard 8964DB
WOSSNER
$214.95WOSSNER Piston Kit Yamaha WR 450 F Standard 8964DB2 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...9106141- SKU:
- 9106141
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$214.95Qty in Cart: 0Quantity:Price:$214.95Subtotal: -
WOSSNER Piston Kit - Yamaha YZ 450 F - Standard 8965DA
WOSSNER
$214.95WOSSNER Piston Kit Yamaha YZ 450 F Standard 8965DA2 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...9106142- SKU:
- 9106142
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- STANDARD
- MODEL:
- PREMIUM SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 97.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.2:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 96.96 MM
- PRODUCT NAME:
- PISTON KIT
$214.95 -
WOSSNER Piston Kit - Yamaha YZ 450 F - Standard 8965DB
WOSSNER
$214.95WOSSNER Piston Kit Yamaha YZ 450 F Standard 8965DB2 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...9106143- SKU:
- 9106143
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PISTON SIZE METRIC:
- 96.97 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- PREMIUM SERIES
- BORE - OVERSIZE METRIC:
- +0.01 MM
- COMPRESSION RATIO IMPERIAL:
- 13.2:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +0,01 MM
- BORE SIZE METRIC:
- 97.01 MM
- PRODUCT NAME:
- PISTON KIT
$214.95Qty in Cart: 0Quantity:Price:$214.95Subtotal: -
WOSSNER Piston Kit - Kawasaki KX 250 - Standard 8966DA
WOSSNER
$207.95WOSSNER Piston Kit Kawasaki KX 250 Standard 8966DA2 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...9106144- SKU:
- 9106144
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 78.00 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 14.4:1
- PISTON SIZE METRIC:
- 77.96 MM
- PRODUCT NAME:
- PISTON KIT
$207.95Qty in Cart: 0Quantity:Price:$207.95Subtotal:
