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 - XR650C/L 4989M10000
WISECO
$239.95WISECO Piston Kit XR650C/L 4989M10000Pistons come without gasket kit9102939- SKU:
- 9102939
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- BORE SIZE METRIC:
- 100.00 MM
- STROKE LENGTH METRIC:
- 82.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 650 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
$239.95 -
WISECO Piston Kit 4989M10241
WISECO
$269.95WISECO Piston Kit 4989M10241Pistons come without gasket kit9102941- SKU:
- 9102941
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- STROKE LENGTH METRIC:
- 82.00 MM
- PISTON MATERIAL:
- FORGED
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- BORE - OVERSIZE:
- +2,40 MM
- BORE - OVERSIZE METRIC:
- +2.40 MM
- BORE SIZE METRIC:
- 102.40 MM
- DISPLACEMENT:
- 650 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$269.95 -
WISECO Piston Kit - Kawasaki KX450F 4990M09600
WISECO
$269.95WISECO Piston Kit Kawasaki KX450F 4990M09600Pistons come without gasket kit9102942- SKU:
- 9102942
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- STROKE LENGTH METRIC:
- 62.10 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 449 CC
- PISTON MATERIAL:
- FORGED
$269.95 -
WISECO Piston - Standard 435M05600
WISECO
$154.95WISECO Piston Standard 435M05600Forged 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...435M05600- SKU:
- 435M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- DISPLACEMENT:
- 123 CC
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 50.00 MM
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 56.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 55.95 MM
- PRODUCT NAME:
- PISTON KIT
$154.95 -
WISECO Piston Kit - Racer Elite RE917M06640
WISECO
$253.95WISECO Piston Kit Racer Elite RE917M06640The 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...9105099- SKU:
- 9105099
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 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:
- 66.40 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
$253.95Qty in Cart: 0Quantity:Price:$253.95Subtotal: -
WISECO Piston - 2.0mm 435M05800
WISECO
$179.95WISECO Piston 2.0mm 435M05800Forged 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...435M05800- SKU:
- 435M05800
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 58.00 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 57.95 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 50.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 123 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$179.95 -
WISECO Piston Kit - Racer Elite RE920M04700
WISECO
$149.39WISECO Piston Kit Racer Elite RE920M04700The 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...9105101- SKU:
- 9105101
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$149.39Qty in Cart: 0Quantity:Price:$149.39Subtotal: -
WISECO Piston Kit - Racer Elite RE918M05200
WISECO
$174.52WISECO Piston Kit Racer Elite RE918M05200The 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...9105102- SKU:
- 9105102
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 52.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
$174.52Qty in Cart: 0Quantity:Price:$174.52Subtotal: -
WOSSNER Connecting Rod - KX500 P2039
WOSSNER
$152.00WOSSNER Connecting Rod KX500 P2039Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230417- SKU:
- 9230417
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- UNITS:
- KIT
- STYLE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
$152.00 -
WOSSNER Connecting Rod P2053
WOSSNER
$98.95WOSSNER Connecting Rod P2053Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine tune...9230419- SKU:
- 9230419
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- STYLE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
$98.95 -
WOSSNER Connecting Rod - KTM65SX P2055
WOSSNER
$120.95WOSSNER Connecting Rod KTM65SX P2055Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230421- SKU:
- 9230421
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- STYLE:
- STANDARD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
$120.95 -
WOSSNER Connecting Rod - SX85 P2065
WOSSNER
$98.95WOSSNER Connecting Rod SX85 P2065Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230426- SKU:
- 9230426
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- STYLE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$98.95 -
WOSSNER Connecting Rod - CRF250 P4001
WOSSNER
$164.95WOSSNER Connecting Rod CRF250 P4001Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230428- SKU:
- 9230428
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- STANDARD
$164.95 -
WOSSNER Connecting Rod - KX250F P4002
WOSSNER
$164.95WOSSNER Connecting Rod KX250F P4002Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230429- SKU:
- 9230429
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- STANDARD
$164.95 -
WOSSNER Connecting Rod - RMZ250 P4004
WOSSNER
$164.95WOSSNER Connecting Rod RMZ250 P4004Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230431- SKU:
- 9230431
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- STANDARD
$164.95Qty in Cart: 0Quantity:Price:$164.95Subtotal: -
WOSSNER Connecting Rod - YZ250F P4006
WOSSNER
$164.95WOSSNER Connecting Rod YZ250F P4006Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230433- SKU:
- 9230433
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
$164.95 -
WOSSNER Connecting Rod - DRZ400 P4009
WOSSNER
$164.95WOSSNER Connecting Rod DRZ400 P4009Connecting Rod Kit contains all parts needed for crankshaft rebuild, Designed to fit OEM bearing and crank pin, Shot peened for ultimate strength and long life, 8620 forged alloy, FEA (computer simulation) used to fine...9230435- SKU:
- 9230435
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- ENGINE TYPE:
- 4-STROKE
$164.95 -
WOSSNER Piston Kit 8104DC
WOSSNER
$91.95WOSSNER Piston Kit 8104DC2-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...9104834- SKU:
- 9104834
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- 47.47 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SINGLE RING
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.02 MM
- BORE SIZE METRIC:
- 47.52 MM
- MODEL:
- STANDARD SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +0,02 MM
- DISPLACEMENT:
- 84 CC
- PISTON MATERIAL:
- FORGED
$91.95 -
WOSSNER Piston Kit 8105DA
WOSSNER
$91.95WOSSNER Piston Kit 8105DA2-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...9104835- SKU:
- 9104835
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE SIZE METRIC:
- 47.50 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SINGLE RING
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- DISPLACEMENT:
- 84.7 CC
- PISTON SIZE METRIC:
- 47.45 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
$91.95 -
WOSSNER Piston Kit 8105DB
WOSSNER
$91.95WOSSNER Piston Kit 8105DB2-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...9104836- SKU:
- 9104836
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON SIZE METRIC:
- 47.46 MM
- TYPE:
- SINGLE RING
- BORE - OVERSIZE:
- +0,01 MM
- BORE - OVERSIZE METRIC:
- +0.01 MM
- BORE SIZE METRIC:
- 47.51 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- DISPLACEMENT:
- 84.7 CC
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
$91.95
