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Part Number:
DRP-10209

10209 Diamond Competition Series Pistons SB Chevy 21° 23° Flat Top 4.030 Bore

Fits Small Block Chevy with 21° - 23° heads, 4.030 Bore, 3.875 Stroke, 6.000 Rod Length, -5.3cc Flat Top, Set of 8 Pistons

$912.92
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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
  • 3D milling on piston crowns for a ready to install finish
  • Inboard forging design for maximum strength
  • Valve pockets designed to work with most aftermarket 21° - 23° cylinder heads
  • Moly skirt coating for friction loss and skirt wear protection
  • Top ring down dimension 0.180"
  • Ratios figured for 0.040 head gasket @ 9.000 deck
  • Standard ring package 1.0mm x 1.0mm x 3.0mm (Not Included)
  • Premium 8620 0.155W wrist pins included chamfered for roundwire locks
  • Valve pocket depth 0.325" intake and 0.231" exhaust
  • Will work with an intake valve size of 2.150" and exhaust valve size of 1.625"
  • Made from 2618 alloy and designed for applications of up to 900hp
  • No advertized piston weight

    Compression Ratio:
  • 58cc 12.1:1
  • 64cc 11.3.1
  • 70cc 10.5:1
  • More Information
    CNC Part Number DRP-10209
    Price $912.92
    Manufacturer's Part Number 10209
    Brands Diamond
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy SB
    Bore Size 4.030
    Crankshaft Stroke 3.875
    Rod Length 6.000
    Piston Type Flat Top
    Compression Height 1.062
    Piston Material 2618 Forged
    Piston Ring Size 1.0 1.0 3.0mm
    Wrist Pin Size 0.927
    Custom Notices ⚠ PROP 65 WARNING
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