Part Number:
DRP-10303

10303 Diamond Nitrous Pistons SB Chevy 350 400 23° Flat Top 4.060 Bore

Fits Small Block Chevy 350 400 with 23° heads, 4.030 Bore, 3.875 Stroke, 6.000 Rod Length, -5.1cc Flat Top, Set of 8 Pistons

$1,325.05
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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.
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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
  • Designed to work with most aftermarket 23° cylinder heads
  • Top ring down dimensions: 0.250" - 0.300"
  • Ratios figured for 0.040 head gasket @ 9.000 deck
  • Premium 0.043 x 1/16 x 3/16 ring package (Not Included)
  • 1.000CD & 1.062CD use premium 0.043 x 1/16 x 3/16 ring package
  • Vertical gas ports for better ring seal
  • Premium H-13 0.205W wrist pins included
  • Valve pocket depth 0.322" intake and 0.217" exhaust
  • Will work with an intake valve size of 2.125" and exhaust valve size of 1.625"
  • Made from 2618 alloy and designed for small-medium nitrous levels (Up to 450HP)
  • No advertized piston weight
  • Made to order

    Compression Ratio:
  • 58cc 12.2:1
  • 64cc 11.3.1
  • 70cc 10.6.1
  • More Information
    CNC Part Number DRP-10303
    Price $1,325.05
    Sold As Set
    Manufacturer's Part Number 10303
    Brands Diamond
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy SB
    Bore Size 4.060
    Crankshaft Stroke 3.875
    Rod Length 6.000
    Piston Type Flat Top
    Compression Height 1.062
    Piston Material 2618 Forged
    Piston Ring Size .043 1/16 3/16
    Wrist Pin Size 0.927
    Custom Notices ⚠ PROP 65 WARNING
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