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 PK1225
WISECO
$179.95WISECO Piston Kit with Gaskets PK1225Most 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...9030173- SKU:
- 9030173
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- DISPLACEMENT:
- 79.7 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 45.00 MM
- BORE SIZE METRIC:
- 48.00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.7:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 47.97 MM
- PRODUCT NAME:
- REBUILD KIT
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
WISECO Piston Kit with Gaskets PK1226
WISECO
$179.95WISECO Piston Kit with Gaskets PK1226Most 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...9030174- SKU:
- 9030174
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 48.50 MM
- PISTON DIAMETER METRIC:
- 48.47 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- DISPLACEMENT:
- 79.7 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 45.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- COMPRESSION RATIO IMPERIAL:
- 9.7:1
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- REBUILD KIT
$179.95 -
WISECO Piston Kit with Gaskets PK1217
WISECO
$184.95WISECO Piston Kit with Gaskets PK1217Most 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...9030175- SKU:
- 9030175
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- DISPLACEMENT:
- 84.7 CC
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 49.50 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 49.45 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- TYPE:
- TOP END
$184.95 -
WISECO Piston Kit with Gaskets PK1351
WISECO
$234.95WISECO Piston Kit with Gaskets PK1351Most 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...9030176- SKU:
- 9030176
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.50 MM
- DISPLACEMENT:
- 124 CC
- 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
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$234.95 -
WISECO Piston Kit with Gaskets PK1184
WISECO
$227.76WISECO Piston Kit with Gaskets PK1184Most 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...9030177- SKU:
- 9030177
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$227.76Qty in Cart: 0Quantity:Price:$227.76Subtotal: -
WISECO Piston Kit with Gaskets PK1262
WISECO
$219.95WISECO Piston Kit with Gaskets PK1262Most 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...9030179- SKU:
- 9030179
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- DISPLACEMENT:
- 125 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 54.50 MM
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 54.45 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$219.95 -
WISECO Piston Kit with Gaskets PK1288
WISECO
$265.24WISECO Piston Kit with Gaskets PK1288Most 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...9030210- SKU:
- 9030210
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
$265.24Qty in Cart: 0Quantity:Price:$265.24Subtotal: -
WISECO Piston Kit with Gaskets PK1121
WISECO
$204.95WISECO Piston Kit with Gaskets PK1121Most 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...9030211- SKU:
- 9030211
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- PISTON DIAMETER METRIC:
- 65.95 MM
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 192 CC
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 57.80 MM
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 66.00 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$204.95 -
WISECO Piston Kit with Gaskets PK1124
WISECO
$204.95WISECO Piston Kit with Gaskets PK1124Most 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...9030212- SKU:
- 9030212
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 192 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 57.80 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON DIAMETER METRIC:
- 65.45 MM
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 65.50 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$204.95 -
WISECO Piston Kit with Gaskets PK1186
WISECO
$233.81WISECO Piston Kit with Gaskets PK1186Forged 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...9030213- SKU:
- 9030213
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COOLING SYSTEM:
- AIR COOLED
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE SIZE METRIC:
- 52.50 MM
- DISPLACEMENT:
- 103,5 CC
- MODEL:
- RACER'S CHOICE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
$233.81Qty in Cart: 0Quantity:Price:$233.81Subtotal: -
WISECO Piston Kit with Gaskets PK1209
WISECO
$169.95WISECO Piston Kit with Gaskets PK1209Most 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...9030214- SKU:
- 9030214
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- DISPLACEMENT:
- 84.7 CC
- BORE - OVERSIZE METRIC:
- +2.00 MM
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 49.95 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +2,00 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 50.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- STROKE LENGTH METRIC:
- 46.80 MM
$169.95 -
WISECO Piston Kit with Gaskets PK1176
WISECO
$234.95WISECO Piston Kit with Gaskets PK1176Most 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...9030215- SKU:
- 9030215
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PISTON DIAMETER METRIC:
- 55.95 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +2,00 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 56.00 MM
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
$234.95 -
WISECO Piston Kit with Gaskets PK1220
WISECO
$229.95WISECO Piston Kit with Gaskets PK1220Most 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...9030216- SKU:
- 9030216
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- PISTON DIAMETER METRIC:
- 73.45 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 59.50 MM
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 73.50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$229.95 -
WISECO Piston Kit with Gaskets PK1264
WISECO
$244.95WISECO Piston Kit with Gaskets PK1264Most 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...9030217- SKU:
- 9030217
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PISTON DIAMETER METRIC:
- 55.95 MM
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 125 CC
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$244.95 -
WISECO Piston Kit with Gaskets PK1169
WISECO
$259.95WISECO Piston Kit with Gaskets PK1169Most 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...9030219- SKU:
- 9030219
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +0,60 MM
- BORE - OVERSIZE METRIC:
- +0.60 MM
- DISPLACEMENT:
- 249 CC
- PISTON DIAMETER METRIC:
- 66.96 MM
- PRODUCT NAME:
- REBUILD KIT
$259.95 -
WISECO Piston Kit with Gaskets PK1302
WISECO
$179.95WISECO Piston Kit with Gaskets PK1302Most 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...9030222- SKU:
- 9030222
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 82 CC
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 45.80 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 49.00 MM
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 48.95 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$179.95 -
WISECO Piston Kit with Gaskets PK1331
WISECO
$264.64WISECO Piston Kit with Gaskets PK1331Most 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...9030241- SKU:
- 9030241
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$264.64Qty in Cart: 0Quantity:Price:$264.64Subtotal: -
WISECO Piston Kit with Gaskets PK1274
WISECO
$184.95WISECO Piston Kit with Gaskets PK1274Most 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...9030242- SKU:
- 9030242
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- DISPLACEMENT:
- 99.2 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 54.00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.4:1
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 45.00 MM
- TYPE:
- TOP END
- PISTON DIAMETER METRIC:
- 53.97 MM
- PISTON SIZE METRIC:
- +2.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$184.95 -
WISECO Piston Kit with Gaskets PK1301
WISECO
$179.95WISECO Piston Kit with Gaskets PK1301Most 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...9030243- SKU:
- 9030243
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 48.50 MM
- PISTON DIAMETER METRIC:
- 48.45 MM
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +0.50 MM
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 82 CC
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 45.80 MM
- UNITS:
- KIT
$179.95 -
WISECO Piston Kit with Gaskets PK1165
WISECO
$219.95WISECO Piston Kit with Gaskets PK1165Most 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...9030244- SKU:
- 9030244
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 54.45 MM
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 54.50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal:
