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4.250" Stroke, Internal Balance, Forged 4340 Steel, Chevrolet Big Block, Center Counterweighted

EAGLE  |  Part# CRS-445442526385


5 in stock

Important Crankshaft must be balanced to match your specific rods and pistons.


Highlights:

  • material: forged 4340 steel
  • intended balance: internal
  • target bobweight: 2300g
  • stroke: 4.250"
  • rod journal: 2.2"
  • rod journal width: 2.000"
  • main journals: 2.749"
  • minimum rod length: 6.385"
  • typical weight: 74 lbs.
  • rear seal diameter: call
  • snout diameter: 1.6"
  • flywheel bolts: 6
  • pilot bore diameter: 1.094"
  • flywheel register diameter: call

FORGED 4340 STEEL CRANK - CHEVROLET 454, 4.250" STROKE, INTERNAL BALANCE, CENTER COUNTERWEIGHTED

$886.99




Eagle forged 4340 steel center-counterweighted cranks feature a non-twist forging, center counterweights for added stability at high RPM and high-power applications, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface, & micropolished to < 2 ra. Intended for the most demanding applications.