Callies Magnum LS Crankshaft

LSx Chevy Callies Magnum Cranks w/8 Counterweights LS7 Long Post – LS1 Gen III – IV

$3,549.00 Each - Free Shipping

The Callies Gen II/IV LS1 Magnum Crankshafts are available from 3.625″ to a whopping 4.500″ stroke with 2.100 or 2.000 rod journals. Fully Counterweighted (8) with an average weight of 47 lbs, Magnum Crankshafts are one of the most durable on the market. Manufactured from pure SAE 4340 Steel with multiple heat treatments for amazing strength and long life.

  • Gun Drilled Mains and Lightened Rods
  • 8 Counterweight Design
  • Dual Linear Post Keyways
  • LS7 Long Post / Snout configuration
  • Counterweight prepped for 1830 gram bob weight
  • Premium Ultra Case Deep Nitride Heat Treatment
  • 2.000 to 2.100 Rod Journals with Standard LS or LS7 Mains
  • LS1/LS7 crank w/2.000” rod pins are special order
  • Enhanced rod oiling through the use of Main Bearing Oil Hole Lead-ins
  • Gun Drilled Mains
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StrokePin SizeMain SizePart #
4.000″2.000″LS-1 GM Small Block – 2.559″
2.000” rod pins will be special order		 LS7 PostAWO-34W-MG
4.000″2.100″LS-1 GM Small Block – 2.559″, 6.125″ Rod LS7 PostAWO-31W-M2
4.100″2.100″LS-1 GM Small Block – 2.559″ LS7 PostAWZ-31W-MG
4.250″2.100″LS-1 GM Small Block – 2.559″ LS7 PostAWP-31W-MG
4.375″2.100″LS-1 GM Small Block – 2.559″LS7 PostAWB-31W-MG
4.500″2.100″LS-1 GM Small Block – 2.559″LS7 PostAWQ-31W-MG
Crank Stroke

3.625, 3.750, 3.900, 4.000, 4.100, 4.125, 4.250, 4.375, 4.500

Rod Journal Size

2.000, 2.100

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