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 - Jet Ski - .020 WK1012
WISECO
$339.95Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1012- SKU:
- WK1012
- Weight:
- 2.13 LBS
- DISPLACEMENT:
- 537 CC
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 75.40 MM
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 75.50 MM
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- WATERCRAFT
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
- UNITS:
- KIT
$339.95 -
WISECO Piston Kit - Jet Ski - .040 WK1013
WISECO
$339.95Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1013- SKU:
- WK1013
- Weight:
- 2.25 LBS
- BORE SIZE METRIC:
- 76.00 MM
- DISPLACEMENT:
- 544 CC
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 75.90 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
- UNITS:
- KIT
$339.95Qty in Cart: 0Quantity:Price:$339.95Subtotal: -
WISECO Piston Kit - Jet Ski - Standard WK1016
WISECO
$345.25Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1016- SKU:
- WK1016
- Weight:
- 2.44 LBS
$345.25Qty in Cart: 0Quantity:Price:$345.25Subtotal: -
WISECO Piston Kit - Jet Ski - .020 WK1017
WISECO
$344.95Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1017- SKU:
- WK1017
- Weight:
- 2.50 LBS
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 643 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 76.50 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- PISTON DIAMETER METRIC:
- 76.40 MM
- RIDING STYLE:
- WATERCRAFT
$344.95 -
On Sale
WISECO Piston Kit - Jet Ski - .040 WK1018
WISECO
MSRP: $338.48Now: $224.41Was: $345.25Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1018- SKU:
- WK1018
- Weight:
- 2.50 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 657 CC
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- PISTON DIAMETER METRIC:
- 76.90 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- KIT
MSRP: $338.48Now: $224.41Was: $345.25Qty in Cart: 0Quantity:Price:MSRP: $338.48Now: $224.41Was: $345.25Subtotal: -
WISECO Piston Kit - Jet Ski - .060 WK1019
WISECO
$371.87Most Wiseco 2-cycle pistons are forged from high-silicone bar stock, Greater strength and lower expansion at high temperatures, Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one...WK1019- SKU:
- WK1019
- Weight:
- 2.50 LBS
$371.87Qty in Cart: 0Quantity:Price:$371.87Subtotal: -
WISECO Piston Kit - Suzuki DR350 4576M07900
WISECO
$192.95WISECO Piston Kit Suzuki DR350 4576M07900Pistons come without gasket kit9102905- SKU:
- 9102905
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 349 CC
- BORE SIZE METRIC:
- 79.00 MM
- STROKE LENGTH METRIC:
- 71.20 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$192.95 -
WISECO Piston Kit - Suzuki DR350 4576M08200
WISECO
$194.95WISECO Piston Kit Suzuki DR350 4576M08200Pistons come without gasket kit9102907- SKU:
- 9102907
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE METRIC:
- +3.00 MM
- STROKE LENGTH METRIC:
- 71.20 MM
- DISPLACEMENT:
- 349 CC
- BORE SIZE METRIC:
- 82.00 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BORE - OVERSIZE:
- +3,00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$194.95 -
WISECO Piston Kit - Suzuki DR350 4576M08300
WISECO
$219.95WISECO Piston Kit Suzuki DR350 4576M08300Pistons come without gasket kit9102908- SKU:
- 9102908
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BORE - OVERSIZE:
- +4,00 MM
- BORE - OVERSIZE METRIC:
- +4.00 MM
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 71.20 MM
- BORE SIZE METRIC:
- 83.00 MM
- DISPLACEMENT:
- 349 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$219.95 -
WISECO Piston - Standard 222M04700
WISECO
$134.95WISECO Piston Standard 222M04700Forged 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...222M04700- SKU:
- 222M04700
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE SIZE METRIC:
- 47.00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 46.95 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 42.00 MM
- DISPLACEMENT:
- 72 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$134.95 -
WISECO Piston - Yamaha - 1.0mm 222M04800
WISECO
$134.95WISECO Piston Yamaha 1.0mm 222M04800Forged 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...222M04800- SKU:
- 222M04800
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- +1,00 MM
- PRODUCT NAME:
- PISTON KIT
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 42.00 MM
- BORE SIZE METRIC:
- 48.00 MM
- PISTON DIAMETER METRIC:
- 47.95 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 72 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$134.95 -
WISECO Piston - Kawasaki - Standard 369M04950
WISECO
$139.95WISECO Piston Kawasaki Standard 369M04950Forged 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...369M04950- SKU:
- 369M04950
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE SIZE METRIC:
- 49.50 MM
- DISPLACEMENT:
- 99 CC
- PISTON DIAMETER METRIC:
- 49.45 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 51.80 MM
$139.95Qty in Cart: 0Quantity:Price:$139.95Subtotal: -
WISECO Piston - Kawasaki - .50mm 369M05000
WISECO
$137.93WISECO Piston Kawasaki .50mm 369M05000Forged 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...369M05000- SKU:
- 369M05000
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$137.93Qty in Cart: 0Quantity:Price:$137.93Subtotal: -
WISECO Piston - Yamaha - .50mm 374M06650
WISECO
$154.95WISECO Piston Yamaha .50mm 374M06650Forged 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...374M06650- SKU:
- 374M06650
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 50.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 66.50 MM
- DISPLACEMENT:
- 172 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.45 MM
- BORE - OVERSIZE:
- +0,50 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
WISECO Piston - Yamaha - 1.0mm 374M06700
WISECO
$154.95WISECO Piston Yamaha 1.0mm 374M06700Forged 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...374M06700- SKU:
- 374M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 50.00 MM
- DISPLACEMENT:
- 172 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
WISECO Piston - Yamaha - .50mm 394M08550
WISECO
$209.95WISECO Piston Yamaha .50mm 394M08550Forged 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...394M08550- SKU:
- 394M08550
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 85.50 MM
- DISPLACEMENT:
- 397 CC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON DIAMETER METRIC:
- 85.42 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 70.00 MM
$209.95 -
WISECO Piston Kit 40074M07800
WISECO
$244.95WISECO Piston Kit 40074M07800Pistons come without gasket kit9103166- SKU:
- 9103166
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- STROKE LENGTH METRIC:
- 52.30 MM
- COMPRESSION RATIO IMPERIAL:
- 13.9:1
- DISPLACEMENT:
- 250 CC
- RIDING STYLE:
- STREET
- BORE SIZE METRIC:
- 78.00 MM
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$244.95 -
WISECO Piston - .50mm 456M04950
WISECO
$134.95WISECO Piston .50mm 456M04950Forged 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...456M04950- SKU:
- 456M04950
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- +0,50 MM
- PISTON DIAMETER METRIC:
- 49.45 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STROKE LENGTH METRIC:
- 42.00 MM
- BORE SIZE METRIC:
- 49.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 79 CC
$134.95 -
WISECO Piston - 1mm 456M05000
WISECO
$134.95WISECO Piston 1mm 456M05000Forged 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...456M05000- SKU:
- 456M05000
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- DISPLACEMENT:
- 79 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 49.95 MM
- BORE SIZE METRIC:
- 50.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 42.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$134.95 -
WISECO Piston - 2.0mm 456M05100
WISECO
$145.18WISECO Piston 2.0mm 456M05100Forged 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...456M05100- SKU:
- 456M05100
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$145.18Qty in Cart: 0Quantity:Price:$145.18Subtotal:
