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Magnum Chev LS Series Forged 4340 Crankshaft
Gen III/IV, 4.000″ Stroke, 58 Tooth Reluctor Wheel, 2.100″ Pin, 2.559″ Mains

Part Number CAAPO31T-MG-58

  • Average Weight for 4.000 in. Stroke Balanced to 1750g Bob. = 47 lbs.
  • Magnums are Sold Rough Balanced to 1700g Bob.
  • Gun Drilled Mains
  • All Rod Journals Lightened
  • Dual Linear Post Keyways
  • Stroke Availability from 2.600 in. to 4.500 in.
  • Heat Treatment = Perma Case Deep Nitride


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