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Part Number:
DRP-82039-4

82039-4 Diamond Pistons Mitsubishi 4G63 EVO Forged Dish 85mm Bore

Fits 1999-2007 Mitsubishi EVO VI-IX - 4G63 Series, Bore 85mm, Stroke 94mm, Rod Length 6.142, Dish -11.8cc, Set of 4 Pistons and Rings, Made to order

$739.98
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⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
Diamond Pistons are some of the best aftermarket pistons on the market. Trust your new engine with a set of Diamond Pistons
  • Offset wrist pins provide quiet operation
  • Moly skirt coating for friction loss
  • Side Gas Ports for better ring seal
  • 2618 forging for high hp/ boosted applications
  • Standard 1.0mm x 1.2mm x 2.8mm ring package
  • Premium 8620 wrist pins are included
  • Compression ratio figured for .040 head gasket @ 9.015 Deck
  • Top ring down from piston crown .325-.265" @ 1.020 C/D
  • Vavle pocket depth = .200" intake and .190" exhaust
  • Oversize valve pocket for larger than stock valves

    Compression Ratio with 47cc Head: 9.0:1
    No advertised piston weight
    Made to order
  • More Information
    CNC Part Number DRP-82039-4
    Price $739.98
    Manufacturer's Part Number 82039-4
    Brands Diamond
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Mitsubishi 4G63
    Bore Size 85.00mm
    Crankshaft Stroke 3.701
    Rod Length 6.142
    Piston Type Dish
    Compression Height 1.020
    Piston Material 2618 Forged
    Piston Ring Size 1.0mm 1.2mm 2.8mm
    Wrist Pin Size 0.866
    Custom Notices ⚠ PROP 65 WARNING

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