4.250" Stroke, Internal Balance, Forged 4340 Steel, Chevrolet Gen Iii "ls"

EAGLE  |  Part# CRS-434642506560


Out of Stock (call for ETA)

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


Highlights:

  • material: forged 4340 steel
  • intended balance: internal
  • target bobweight: 1800g
  • stroke: 4.250"
  • rod journal: 2.1"
  • rod journal width: 1.900"
  • main journals: 2.559"
  • minimum rod length: 6.125"
  • typical weight: 55 lbs.
  • rear seal diameter: call
  • snout diameter: 1.48"
  • flywheel bolts: 6
  • pilot bore diameter: call
  • flywheel register diameter: call

FORGED 4340 STEEL CRANK - CHEVROLET LS, 4.250" STROKE, 24 TOOTH RELUCTOR

$903.99




Eagle forged 4340 steel cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface, & micropolished to < 2 ra. Intended for the most demanding applications. Includes 24 tooth reluctor.