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