
Dirt Bike Engine
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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WISECO Piston Kit - Standard - CRF250R/X 4829M07800
WISECO
$194.95WISECO Piston Kit Standard CRF250R/X 4829M07800Pistons come without gasket kit09100333- SKU:
- 09100333
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.9:1
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 52.20 MM
- DISPLACEMENT:
- 249 CC
- BORE SIZE METRIC:
- 78.00 MM
- PISTON MATERIAL:
- FORGED
$194.95 -
WISECO Piston Kit - Standard - CRF450R/X 4820M09600
WISECO
$204.95WISECO Piston Kit Standard CRF450R/X 4820M09600Pistons come without gasket kit09100334- SKU:
- 09100334
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- ENGINE TYPE:
- 4-STROKE
- STROKE LENGTH METRIC:
- 62.10 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- BORE SIZE METRIC:
- 96.00 MM
- DISPLACEMENT:
- 449 CC
$204.95 -
WISECO Piston Kit - Standard - CRF450R/X 4822M09600
WISECO
$269.95WISECO Piston Kit Standard CRF450R/X 4822M09600Pistons come without gasket kit09100335- SKU:
- 09100335
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 62.10 MM
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- BORE SIZE METRIC:
- 96.00 MM
- DISPLACEMENT:
- 449 CC
$269.95Qty in Cart: 0Quantity:Price:$269.95Subtotal: -
WISECO Piston Kit - Standard - XR650L 4562M10000
WISECO
$239.95WISECO Piston Kit Standard XR650L 4562M10000Pistons come without gasket kit09100337- SKU:
- 09100337
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 100.00 MM
- DISPLACEMENT:
- 650 CC
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 8.7:1
- STROKE LENGTH METRIC:
- 82.00 MM
$239.95 -
WISECO Piston Kit - +2.40 mm - XR650L 4562M10241
WISECO
$269.95WISECO Piston Kit +2.40 mm XR650L 4562M10241Pistons come without gasket kit09100338- SKU:
- 09100338
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
- DISPLACEMENT:
- 675 CC
- PISTON MATERIAL:
- FORGED
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 82.00 MM
- BORE - OVERSIZE METRIC:
- +2.40 MM
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- BORE - OVERSIZE:
- +2,40 MM
- BORE SIZE METRIC:
- 102.40 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$269.95 -
WISECO Piston Kit with Gaskets PK1379
WISECO
$254.95WISECO Piston Kit with Gaskets PK1379Most 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...09030519- SKU:
- 09030519
- Availability:
- Ships Same Business Day
- Weight:
- 1.42 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.40 MM
- DISPLACEMENT:
- 249.3 CC
- PISTON DIAMETER METRIC:
- 66.36 MM
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 72.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$254.95Qty in Cart: 0Quantity:Price:$254.95Subtotal: -
WISECO Piston Kit - CR250 - 1997-2001 702M06850
WISECO
$224.95WISECO Piston Kit CR250 1997-2001 702M06850Pistons come without gasket kit09101232- SKU:
- 09101232
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- UNITS:
- EACH
- BORE SIZE METRIC:
- 68.50 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- BORE - OVERSIZE:
- +2,10 MM
- BORE - OVERSIZE METRIC:
- +2.10 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 72.00 MM
$224.95 -
WISECO Piston Kit with Gaskets PK1427
WISECO
$299.95WISECO Piston Kit with Gaskets PK1427Most 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...09030688- SKU:
- 09030688
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- FORGED SERIES
- BORE SIZE METRIC:
- 66.00 MM
- DISPLACEMENT:
- 150 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 11.7:1
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 43.70 MM
- PISTON DIAMETER METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
$299.95 -
WISECO Piston Kit with Gaskets PK1445
WISECO
$329.95WISECO Piston Kit with Gaskets PK1445Most 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...09030690- SKU:
- 09030690
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 72.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 88.92 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 448 CC
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 89.00 MM
- MODEL:
- FORGED SERIES
$329.95 -
WISECO Piston Kit - Standard - CR250/R 768M06640
WISECO
$199.95WISECO Piston Kit Standard CR250/R 768M06640Pistons come without gasket kit09101236- SKU:
- 09101236
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 66.40 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$199.95 -
WISECO Piston Kit with Gaskets PK1502
WISECO
$209.95WISECO Piston Kit with Gaskets PK1502Most 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...09030697- SKU:
- 09030697
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE - OVERSIZE:
- STANDARD
- PISTON DIAMETER METRIC:
- 53.95 MM
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$209.95 -
WISECO Piston Kit - KX85 - 2001-2008 782M04950
WISECO
$134.95WISECO Piston Kit KX85 2001-2008 782M04950Pistons come without gasket kit09101238- SKU:
- 09101238
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 45.80 MM
- BORE SIZE METRIC:
- 49.50 MM
- DISPLACEMENT:
- 84,9 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$134.95 -
WISECO Piston - Standard 871M08900
WISECO
$234.95WISECO Piston Standard 871M08900Pistons come without gasket kit09102022- SKU:
- 09102022
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 89.00 MM
- DISPLACEMENT:
- 472 CC
- STROKE LENGTH METRIC:
- 76.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- EACH
$234.95 -
WISECO Piston Kit with Gaskets PK1393
WISECO
$219.95WISECO Piston Kit with Gaskets PK1393Most 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...09030520- SKU:
- 09030520
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- REBUILD KIT
- PISTON DIAMETER METRIC:
- 53.94 MM
- STROKE LENGTH METRIC:
- 54.50 MM
$219.95 -
WISECO Piston Kit with Gaskets PK1373
WISECO
$239.95WISECO Piston Kit with Gaskets PK1373Most 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...09030530- SKU:
- 09030530
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MODEL:
- PRO-LITE
- UNITS:
- KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE SIZE METRIC:
- 64.00 MM
- DISPLACEMENT:
- 193 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 63.95 MM
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
$239.95 -
WISECO Piston Kit with Gaskets PK1377
WISECO
$234.95WISECO Piston Kit with Gaskets PK1377Most 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...09030531- SKU:
- 09030531
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PISTON DIAMETER METRIC:
- 53.95 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
$234.95 -
WISECO Piston Kit with Gaskets PK1407
WISECO
$233.88WISECO Piston Kit with Gaskets PK1407Most 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...09030533- SKU:
- 09030533
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE SIZE METRIC:
- 64.00 MM
- DISPLACEMENT:
- 193 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- PISTON DIAMETER METRIC:
- 55.95 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$233.88Qty in Cart: 0Quantity:Price:$233.88Subtotal: -
WISECO Piston Kit with Gaskets PK1409
WISECO
$284.95WISECO Piston Kit with Gaskets PK1409Most 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...09030534- SKU:
- 09030534
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
- BORE SIZE METRIC:
- 72.00 MM
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
- DISPLACEMENT:
- 297 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 73.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 71.94 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$284.95Qty in Cart: 0Quantity:Price:$284.95Subtotal: -
WISECO Piston Kit with Gaskets PK1178
WISECO
$164.95WISECO Piston Kit with Gaskets PK1178Most 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...09030538- SKU:
- 09030538
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 64 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- TYPE:
- TOP END
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 45.00 MM
- PISTON DIAMETER METRIC:
- 44.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 41.60 MM
- UNITS:
- KIT
$164.95Qty in Cart: 0Quantity:Price:$164.95Subtotal: -
WISECO Piston Kit - Yamaha PW50 653M04200
WISECO
$109.95WISECO Piston Kit Yamaha PW50 653M04200Pistons come without gasket kit09102871- SKU:
- 09102871
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 42.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 39.20 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 54 CC
$109.95