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Part Number:
DRP-23011

23011 Diamond Pistons BB Chevy 18° Competition Forged Dome 4.625 Bore

Fits BB Chevy, Bore 4.625, Stroke 4.375, Rod Length 6.535, Dome 15.8cc, Set of 8 Pistons

$1,197.72
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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
  • Designed for use with Dart 18 Degree Big Chief & Brodix 18 Degree Big Duke cylinder heads
  • Vertical gas ports for maximum ring seal
  • Inboard forging design for maximum strength
  • Suitable for small to medium nitrous applications
  • Moly skirt coating included
  • Premium .043 x .043 x 3mm Total Seal AP ring package available
  • Premium Trend H-13.185" wall tool steel wrist pins included
  • Top Ring down = .280" - .320" on 1.065 C/D
  • Accommodates a maximum intake valve size of 2.450" and exhaust valve size of 1.900"
  • Valve relief depth= .310" intake and .080" exhaust

  • Compression Ratio with 70cc Heads 17.9:1
  • Compression Ratio with 85cc Heads 14.9:1
  • Compression Ratio with 95cc Heads 13.5:1
  • Compression Ratio with 100cc Heads 12.9:1
  • Piston weight / 595 Grams
  • More Information
    CNC Part Number DRP-23011
    Price $1,197.72
    Manufacturer's Part Number 23011
    Brands Diamond
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy BB
    Bore Size 4.625
    Crankshaft Stroke 4.375
    Rod Length 6.535
    Piston Type Dome
    Compression Height 1.065
    Piston Material 2618 Forged
    Piston Ring Size .043 .043 3.0mm
    Wrist Pin Size 0.990
    Custom Notices ⚠ PROP 65 WARNING
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