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Part Number:
DRP-20021

20021 Diamond Pistons BB Chevy Forged Dome 4.600 Bore

Fits BB Chevy, Bore 4.600, Stroke 4.500, Rod Length 6.385, Dome 45cc, 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 most 24/26 degree 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 3/16" Total Seal AP ring package available.
  • Premium Trend H-13.185" wall tool steel wrist pins included
  • Top Ring down = .290" - .300".
  • Accommodates a maximum intake valve size of 2.350" and exhaust valve size of 1.900".
  • Valve relief depth= .325" intake and -.120" exhaust

    Compression Ratio with 112cc Heads 15.8:1
    Compression Ratio with 118cc Heads 14.8:1
    Compression Ratio with 124cc Heads 14.0:1
    Call for piston weight.
  • More Information
    CNC Part Number DRP-20021
    Price $1,197.72
    Manufacturer's Part Number 20021
    Brands Diamond
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy BB
    Bore Size 4.600
    Crankshaft Stroke 4.500
    Rod Length 6.385
    Piston Type Dome
    Compression Height 1.155
    Piston Material 2618 Forged
    Piston Ring Size .043 .043 3/16
    Wrist Pin Size 0.990
    Custom Notices ⚠ PROP 65 WARNING
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