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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On Sale
VERTEX Piston Kit - Standard 22983B
VERTEX
MSRP: $198.95Now: $182.66Was: $202.95VERTEX Piston Kit Standard 22983BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life9101043- SKU:
- 9101043
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
MSRP: $198.95Now: $182.66Was: $202.95Qty in Cart: 0Quantity:Price:MSRP: $198.95Now: $182.66Was: $202.95Subtotal: -
On Sale
VERTEX Piston Kit 23335B
VERTEX
MSRP: $155.95Now: $143.06Was: $158.95VERTEX Piston Kit 23335BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life9102117- SKU:
- 9102117
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED RACE
- BORE - OVERSIZE:
- +4,00 MM
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 58.00 MM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE - OVERSIZE METRIC:
- +4.00 MM
- DISPLACEMENT:
- 144 CC
- PISTON DIAMETER METRIC:
- 57.96 MM
- PRODUCT NAME:
- PISTON KIT
MSRP: $155.95Now: $143.06Was: $158.95 -
WISECO Ring Set 1850CD
WISECO
$49.95WISECO Ring Set 1850CDEach ring set is for one piston1850CD- SKU:
- 1850CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 82,9 CC
- UNITS:
- SET
- BORE SIZE METRIC:
- 47.00 MM
- PRODUCT NAME:
- PISTON RING
$49.95 -
WISECO Ring Set 1850CS
WISECO
$24.95WISECO Ring Set 1850CSEach ring set is for one piston1850CS- SKU:
- 1850CS
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- DISPLACEMENT:
- 82,9 CC
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BORE SIZE METRIC:
- 47.00 MM
- UNITS:
- SET
$24.95 -
WISECO Ring Set 1869CD
WISECO
$49.95WISECO Ring Set 1869CDEach ring set is for one piston1869CD- SKU:
- 1869CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE SIZE METRIC:
- 47.50 MM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM
- DISPLACEMENT:
- 82,9 CC
- UNITS:
- SET
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
WISECO Ring Set 1869CS
WISECO
$24.95WISECO Ring Set 1869CSEach ring set is for one piston1869CS- SKU:
- 1869CS
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- DISPLACEMENT:
- 82,9 CC
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BORE SIZE METRIC:
- 47.50 MM
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
$24.95 -
WISECO Ring Set 1890CD
WISECO
$50.78WISECO Ring Set 1890CDEach ring set is for one piston1890CD- SKU:
- 1890CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$50.78Qty in Cart: 0Quantity:Price:$50.78Subtotal: -
WISECO Ring Set 1890CS
WISECO
$24.95WISECO Ring Set 1890CSEach ring set is for one piston1890CS- SKU:
- 1890CS
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 48.00 MM
- DISPLACEMENT:
- 82,9 CC
- UNITS:
- SET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$24.95 -
WISECO Ring Set 1909CD
WISECO
$49.95WISECO Ring Set 1909CDEach ring set is for one piston1909CD- SKU:
- 1909CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BORE SIZE METRIC:
- 48.50 MM
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 82,9 CC
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$49.95 -
WISECO Wrist Pin S343
WISECO
$22.04Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS343- SKU:
- S343
- Weight:
- 0.25 LBS
- APPLICATION:
- PISTON
- OUTSIDE DIAMETER:
- 18,00 MM
- PRODUCT NAME:
- WRIST PIN
- UNITS:
- EACH
- LENGTH:
- 64,45 MM
- LENGTH METRIC:
- 64.45 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$22.04Qty in Cart: 0Quantity:Price:$22.04Subtotal: -
WISECO Wrist Pin S255
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS255- SKU:
- S255
- Weight:
- 0.13 LBS
- APPLICATION:
- PISTON
- OUTSIDE DIAMETER METRIC:
- 16.00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- LENGTH:
- 50 MM
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 16,00 MM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- LENGTH METRIC:
- 50 MM
- MATERIAL:
- SILICONE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$22.99 -
WISECO Wrist Pin S257
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS257- SKU:
- S257
- Weight:
- 0.25 LBS
- LENGTH:
- 56 MM
- UNITS:
- EACH
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 18,00 MM
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- LENGTH METRIC:
- 56 MM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$22.99 -
On Sale
WISECO Ring Set 1574CD
WISECO
MSRP: $47.02Now: $33.01Was: $50.78WISECO Ring Set 1574CDEach ring set is for one piston1574CD- SKU:
- 1574CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- PISTON RING
- BORE SIZE METRIC:
- 40.00 MM
- UNITS:
- SET
- DISPLACEMENT:
- 49 CC
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
MSRP: $47.02Now: $33.01Was: $50.78Qty in Cart: 0Quantity:Price:MSRP: $47.02Now: $33.01Was: $50.78Subtotal: -
WISECO Piston Kit - Standard - RM-Z 250 40007M07700
WISECO
$224.95WISECO Piston Kit Standard RM-Z 250 40007M07700Pistons come without gasket kit9102888- SKU:
- 9102888
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 53.60 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.4:1
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$224.95 -
WISECO Piston - Yamaha - Standard 234M07000
WISECO
$199.95WISECO Piston Yamaha Standard 234M07000Forged 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...234M07000- SKU:
- 234M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- PISTON DIAMETER METRIC:
- 69.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 246 CC
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STROKE LENGTH METRIC:
- 64.00 MM
$199.95 -
WISECO Piston - Honda - .40mm 4171M07500
WISECO
$194.95WISECO Piston Honda .40mm 4171M07500Forged 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...4171M07500- SKU:
- 4171M07500
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PISTON DIAMETER METRIC:
- 74.95 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 75.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 248 CC
- SKIRT COATING:
- NON-COATED
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 57.80 MM
$194.95 -
WISECO Piston - Honda - Standard 338M07000
WISECO
$199.95WISECO Piston Honda Standard 338M07000Forged 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...338M07000- SKU:
- 338M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- UTV
- DISPLACEMENT:
- 248 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- PISTON DIAMETER METRIC:
- 69.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 64.40 MM
$199.95 -
WISECO Piston - Honda - 1.50mm 338M07150
WISECO
$224.95WISECO Piston Honda 1.50mm 338M07150Forged 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...338M07150- SKU:
- 338M07150
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 71.50 MM
- DISPLACEMENT:
- 248 CC
- PISTON DIAMETER METRIC:
- 71.45 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 64.40 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- UTV
$224.95 -
WISECO Piston - Honda - 2mm 338M07200
WISECO
$224.95WISECO Piston Honda 2mm 338M07200Forged 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...338M07200- SKU:
- 338M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 248 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- UTV
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 71.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 72.00 MM
- STROKE LENGTH METRIC:
- 64.40 MM
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
WISECO Piston - Honda - Standard 339M05600
WISECO
$187.95WISECO Piston Honda Standard 339M05600Forged 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...339M05600- SKU:
- 339M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 56.00 MM
- DISPLACEMENT:
- 123 CC
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 55.94 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 50.00 MM
$187.95
