K1 4340 Forged LS7 Chevy 4.000 Stroke Crankshaft

$892.71$967.30 Each - Free Shipping

K1 Technologies 4340 Forged LS Chevy Crankshaft with 4.000″ Stroke. This crank is designed for a minimum 6.098″ rod. K1 Cranks are engineered for high stress racing applications with nitride coating for improved strength and bearing life. Size tolerances held to +/-.0001″ to maintain critical bearing clearances and long bearing life.

  • 4340 Forged Steel
  • Available with no Reluctor or 58 Tooth
  • Core hardened using nitride hardening process
  • Magnetic Particle Inspection (MAGGED)
  • Straight oiling to journals
  • Stress relieved
  • Exceptional journal finish
  • Wide pin-end widths
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