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 with Gaskets PK1256
WISECO
$264.95WISECO Piston Kit with Gaskets PK1256Most 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...9030245- SKU:
- 9030245
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE SIZE METRIC:
- 56.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 55.95 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- +2.00 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$264.95Qty in Cart: 0Quantity:Price:$264.95Subtotal: -
WISECO Piston Kit with Gaskets PK1181
WISECO
$199.55WISECO Piston Kit with Gaskets PK1181Most 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...9030248- SKU:
- 9030248
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$199.55Qty in Cart: 0Quantity:Price:$199.55Subtotal: -
WISECO Piston Kit with Gaskets PK1197
WISECO
$294.81WISECO Piston Kit with Gaskets PK1197Most 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...9030249- SKU:
- 9030249
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$294.81Qty in Cart: 0Quantity:Price:$294.81Subtotal: -
WISECO Piston Kit with Gaskets PK1300
WISECO
$178.76WISECO Piston Kit with Gaskets PK1300Most 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...9030267- SKU:
- 9030267
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$178.76Qty in Cart: 0Quantity:Price:$178.76Subtotal: -
WISECO Piston Kit with Gaskets PK1349
WISECO
$209.68WISECO Piston Kit with Gaskets PK1349Most 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...9030268- SKU:
- 9030268
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$209.68Qty in Cart: 0Quantity:Price:$209.68Subtotal: -
WISECO Piston Kit with Gaskets PK1253
WISECO
$219.95WISECO Piston Kit with Gaskets PK1253Most 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...9030293- SKU:
- 9030293
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 54.00 MM
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- PISTON DIAMETER METRIC:
- 53.95 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$219.95 -
WISECO Piston Kit with Gaskets PK1210
WISECO
$214.95WISECO Piston Kit with Gaskets PK1210Forged from high-silicon aluminum alloy for maximum strength and dependability, Contain all necessary components for overboring or rebuilding your top end, Feature forged pistons, rings, wrist pins, circlips, and top...9030294- SKU:
- 9030294
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE SIZE METRIC:
- 52.00 MM
- MODEL:
- RACER'S CHOICE
- STROKE LENGTH METRIC:
- 46.80 MM
- TYPE:
- TOP END
- DISPLACEMENT:
- 99,4 CC
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +5.00 MM
- COOLING SYSTEM:
- LIQUID COOLED
- BORE - OVERSIZE:
- +5,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
$214.95 -
WISECO Piston Kit with Gaskets PK1164
WISECO
$219.95WISECO Piston Kit with Gaskets PK1164Most 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...9030295- SKU:
- 9030295
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- DISPLACEMENT:
- 125 CC
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON DIAMETER METRIC:
- 53.95 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 54.50 MM
$219.95 -
WISECO Piston Kit with Gaskets PK1211
WISECO
$269.95WISECO Piston Kit with Gaskets PK1211Most 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...9030296- SKU:
- 9030296
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- DISPLACEMENT:
- 249 CC
- PISTON DIAMETER METRIC:
- 66.34 MM
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- ARMORGLIDE®
- BORE SIZE METRIC:
- 66.40 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$269.95 -
WISECO Piston Kit with Gaskets PK1191
WISECO
$204.95WISECO Piston Kit with Gaskets PK1191Most 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...9030297- SKU:
- 9030297
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 53.95 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- DISPLACEMENT:
- 125 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 54.00 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$204.95 -
WISECO Piston Kit with Gaskets PK1269
WISECO
$179.95WISECO Piston Kit with Gaskets PK1269Most 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...9030298- SKU:
- 9030298
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 47.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- DISPLACEMENT:
- 82.9 CC
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 46.95 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 47.80 MM
- UNITS:
- KIT
$179.95 -
WISECO Piston Kit with Gaskets PK1180
WISECO
$199.95WISECO Piston Kit with Gaskets PK1180Most 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...9030300- SKU:
- 9030300
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 124.8 CC
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 53.95 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.50 MM
$199.95 -
WISECO Piston Kit with Gaskets PK1261
WISECO
$214.95WISECO Piston Kit with Gaskets PK1261Most 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...9030301- SKU:
- 9030301
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 53.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 125 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$214.95 -
WISECO Piston Kit with Gaskets PK1214
WISECO
$164.95WISECO Piston Kit with Gaskets PK1214Most 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...9030302- SKU:
- 9030302
- Availability:
- Ships Same Business Day
- Weight:
- 0.72 LBS
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE SIZE METRIC:
- 47.50 MM
- DISPLACEMENT:
- 84.7 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 47.45 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
$164.95 -
WISECO Piston Kit with Gaskets PK1206
WISECO
$169.95WISECO Piston Kit with Gaskets PK1206Most 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...9030303- SKU:
- 9030303
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE SIZE METRIC:
- 48.00 MM
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- DISPLACEMENT:
- 84.7 CC
- PISTON DIAMETER METRIC:
- 47.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 46.80 MM
$169.95 -
WISECO Piston - Standard - Kawasaki KX 80 Big Wheel 539M04800
WISECO
$134.95WISECO Piston Standard Kawasaki KX 80 Big Wheel 539M04800Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability,...539M04800- SKU:
- 539M04800
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 48.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- DISPLACEMENT:
- 82 CC
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- STROKE LENGTH:
- 45,80 MM
- STROKE LENGTH METRIC:
- 45.80 MM
$134.95 -
WISECO Piston - +1.00 mm - Kawasaki KX 80 Big Wheel 539M04900
WISECO
$134.95WISECO Piston +1.00 mm Kawasaki KX 80 Big Wheel 539M04900Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability,...539M04900- SKU:
- 539M04900
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 49.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 82 CC
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 45,80 MM
- STROKE LENGTH METRIC:
- 45.80 MM
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
WISECO Piston - Standard - Kawasaki KX 125 540M05600
WISECO
$154.95WISECO Piston Standard Kawasaki KX 125 540M05600Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability,...540M05600- SKU:
- 540M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- DISPLACEMENT:
- 124 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 50,6 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 50.60 MM
- UNITS:
- EACH
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
WISECO Piston - Standard - Suzuki RM 80 542M04750
WISECO
$133.09WISECO Piston Standard Suzuki RM 80 542M04750Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...542M04750- SKU:
- 542M04750
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$133.09Qty in Cart: 0Quantity:Price:$133.09Subtotal: -
WISECO Piston - +1.50 mm - Suzuki RM 80 542M04900
WISECO
$144.95WISECO Piston +1.50 mm Suzuki RM 80 542M04900Forged from high-silicon aluminum alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, Durability, longevity...542M04900- SKU:
- 542M04900
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 49.00 MM
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 46.80 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 82 CC
- STROKE LENGTH:
- 46,80 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$144.95Qty in Cart: 0Quantity:Price:$144.95Subtotal:
