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 PK1205
WISECO
$179.95WISECO Piston Kit with Gaskets PK1205Most 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...9030194- SKU:
- 9030194
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- DISPLACEMENT:
- 85 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 49.45 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 49.50 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- UNITS:
- KIT
- SKIRT COATING:
- NON-COATED
$179.95 -
WISECO Piston Kit with Gaskets PK1162
WISECO
$153.79WISECO Piston Kit with Gaskets PK1162Forged 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...9030197- SKU:
- 9030197
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$153.79Qty in Cart: 0Quantity:Price:$153.79Subtotal: -
WISECO Piston Kit with Gaskets PK1229
WISECO
$224.95WISECO Piston Kit with Gaskets PK1229Most 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...9030199- SKU:
- 9030199
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- DISPLACEMENT:
- 99.2 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 53.50 MM
- COMPRESSION RATIO IMPERIAL:
- 9.4:1
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 53.47 MM
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 45.00 MM
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$224.95 -
WISECO Piston Kit with Gaskets PK1244
WISECO
$263.47WISECO Piston Kit with Gaskets PK1244Most 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...9030200- SKU:
- 9030200
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- BORE - OVERSIZE:
- +0,60 MM
- BORE - OVERSIZE METRIC:
- +0.60 MM
- DISPLACEMENT:
- 249 CC
- PISTON DIAMETER METRIC:
- 66.96 MM
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 67.00 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$263.47Qty in Cart: 0Quantity:Price:$263.47Subtotal: -
WISECO Piston Kit with Gaskets PK1126
WISECO
$204.95WISECO Piston Kit with Gaskets PK1126Most 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...9030201- SKU:
- 9030201
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE:
- +1,00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 57.80 MM
- BORE SIZE METRIC:
- 66.50 MM
- DISPLACEMENT:
- 192 CC
- PISTON DIAMETER METRIC:
- 66.45 MM
- TYPE:
- TOP END
$204.95 -
WISECO Piston Kit with Gaskets PK1171
WISECO
$283.71WISECO Piston Kit with Gaskets PK1171Most 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...9030202- SKU:
- 9030202
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
$283.71Qty in Cart: 0Quantity:Price:$283.71Subtotal: -
On Sale
WISECO Piston Kit with Gaskets PK1268
WISECO
MSRP: $245.99Now: $163.09Was: $250.91WISECO Piston Kit with Gaskets PK1268Most 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...9030203- SKU:
- 9030203
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- BORE SIZE METRIC:
- 56.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 125 CC
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +2,00 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 55.95 MM
- SKIRT COATING:
- NON-COATED
MSRP: $245.99Now: $163.09Was: $250.91 -
WISECO Piston Kit with Gaskets PK1194
WISECO
$229.95WISECO Piston Kit with Gaskets PK1194Most 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...9030207- SKU:
- 9030207
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 55.95 MM
- SKIRT COATING:
- NON-COATED
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.50 MM
$229.95 -
WISECO Piston Kit with Gaskets PK1170
WISECO
$259.95WISECO Piston Kit with Gaskets PK1170Most 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...9030208- SKU:
- 9030208
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.10 MM
- BORE SIZE METRIC:
- 67.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 67.46 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,10 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- REBUILD KIT
$259.95 -
WISECO Piston Kit with Gaskets PK1161
WISECO
$149.95WISECO Piston Kit with Gaskets PK1161Forged 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...9030269- SKU:
- 9030269
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- UNITS:
- EACH
- BORE SIZE METRIC:
- 41.00 MM
- MODEL:
- RACER'S CHOICE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- COOLING SYSTEM:
- AIR COOLED
- DISPLACEMENT:
- 49 CC
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 39.20 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM
$149.95 -
WISECO Piston Kit with Gaskets PK1125
WISECO
$204.95WISECO Piston Kit with Gaskets PK1125Most 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...9030270- SKU:
- 9030270
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 57.80 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 66.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 192 CC
- PISTON DIAMETER METRIC:
- 65.95 MM
- BORE - OVERSIZE:
- +0,50 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$204.95 -
WISECO Piston Kit with Gaskets PK1343
WISECO
$214.95WISECO Piston Kit with Gaskets PK1343Forged 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...9030271- SKU:
- 9030271
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 103,5 CC
- MODEL:
- RACER'S CHOICE
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 52.50 MM
- COOLING SYSTEM:
- LIQUID COOLED
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- UNITS:
- EACH
$214.95 -
WISECO Piston Kit with Gaskets PK1129
WISECO
$260.20WISECO Piston Kit with Gaskets PK1129Most 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...9030272- SKU:
- 9030272
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
$260.20Qty in Cart: 0Quantity:Price:$260.20Subtotal: -
WISECO Piston Kit with Gaskets PK1243
WISECO
$264.95WISECO Piston Kit with Gaskets PK1243Most 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...9030273- SKU:
- 9030273
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- BORE SIZE METRIC:
- 66.40 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.36 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- PRODUCT NAME:
- REBUILD KIT
$264.95 -
WISECO Piston Kit with Gaskets PK1248
WISECO
$263.47WISECO Piston Kit with Gaskets PK1248Most 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...9030274- SKU:
- 9030274
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
$263.47Qty in Cart: 0Quantity:Price:$263.47Subtotal: -
WISECO Piston Kit with Gaskets PK1157
WISECO
$149.95WISECO Piston Kit with Gaskets PK1157Forged 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...9030275- SKU:
- 9030275
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 40.00 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- COOLING SYSTEM:
- AIR COOLED
- DISPLACEMENT:
- 49 CC
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 39.20 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- RACER'S CHOICE
$149.95Qty in Cart: 0Quantity:Price:$149.95Subtotal: -
On Sale
WISECO Piston Kit with Gaskets PK1281
WISECO
MSRP: $175.61Now: $116.43Was: $179.12WISECO Piston Kit with Gaskets PK1281Most 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...9030277- SKU:
- 9030277
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 45.80 MM
- UNITS:
- KIT
- BORE SIZE METRIC:
- 52.50 MM
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 99 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 52.45 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
MSRP: $175.61Now: $116.43Was: $179.12Qty in Cart: 0Quantity:Price:MSRP: $175.61Now: $116.43Was: $179.12Subtotal: -
WISECO Piston Kit with Gaskets PK1318
WISECO
$209.95WISECO Piston Kit with Gaskets PK1318Most 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...9030279- SKU:
- 9030279
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PISTON DIAMETER METRIC:
- 53.96 MM
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 123 CC
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$209.95 -
WISECO Piston Kit with Gaskets PK1146
WISECO
$184.95WISECO Piston Kit with Gaskets PK1146Most 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...9030280- SKU:
- 9030280
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 47.80 MM
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 46.95 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- DISPLACEMENT:
- 82.9 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 47.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$184.95Qty in Cart: 0Quantity:Price:$184.95Subtotal: -
WISECO Piston Kit with Gaskets PK1159
WISECO
$149.95WISECO Piston Kit with Gaskets PK1159Forged 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...9030281- SKU:
- 9030281
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 40.50 MM
- COOLING SYSTEM:
- LIQUID COOLED
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 49 CC
- MODEL:
- RACER'S CHOICE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 39.20 MM
- TYPE:
- TOP END
$149.95
