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Part Number:
DRP-36022-4

36022-4 Diamond Pistons Subaru EJ257 Forged Flat Top 100.5mm Bore

Fits 2004-Up Subaru EJ257 WRX/STI, Bore 100.50mm, Stroke 79mm, Rod Length 5.137, Flat Top -4.5cc, Set of 4 Pistons and Rings

$764.00
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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
  • 2618 forging for high hp/ boosted applications
  • Standard 1.2mm x 1.2mm x 2mm ring package
  • Premium 8620 wrist pins are included
  • Compression ratio figured for 101mm x .0236 head gasket
  • Top ring down from piston crown .240"
  • Vavle pocket depth = .220" intake and .220" exhaust
  • Oversize valve pocket for larger than stock valves

    Compression Ratio with 56 cc Head: 10.0:1
    No advertised piston weight
  • More Information
    CNC Part Number DRP-36022-4
    Price $764.00
    Manufacturer's Part Number 36022-4
    Brands Diamond
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Subaru EJ25
    Bore Size 3.957
    Crankshaft Stroke 3.110
    Rod Length 5.137
    Piston Type Flat Top
    Compression Height 1.208
    Piston Material 2618 Forged
    Piston Ring Size 1.2 1.2 2.0mm
    Wrist Pin Size 0.905
    Custom Notices ⚠ PROP 65 WARNING
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