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Sb Chevy 400/421ci Eagle 4340 Forged Steel Crank 3.875 Stroke Crankshaft on 2040-parts.com

US $699.00
Location:

Chicago, Illinois, United States

Chicago, Illinois, United States
Condition:New Brand:Eagle Manufacturer Part Number:440037505700

This is for a new SB Chevy 400/421ci Eagle 4340 Forged Steel Crank 3.875 Stroke Crankshaft (2pc Seal)

"ESP" 4340 steel cranks feature exceptional strength and unsurpassed quality at a reasonable price.

  • Part # 440038756000
  • Forged 4340 steel non-twist forging
  • Multi-stage heat treat process
  • Cranks are 100% x-rayed, magnafluxed & sonic tested
  • Stress relieved & shot peened
  • .125 radius on rod & main journals for increased strength
  • Full Counterweight designed for easy balancing
  • Precision ground & micro-polished journals to less than 5 R.A.
  • Chamfered oil holes for improved oiling
  • Indexed for correct stroke
  • Nitrided journal surfaces for superior wear resistance

Crankshaft Specs

3.875" StrokeRod Length - 6.0
2.100" Rod Journal1855 Bobweight
2.650" Main JournalInternal Balance 


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