Description
Callies BBS-42B-MG – Magnum Big Block Chevy Crankshaft
Crankshaft – Magnum – 4.750 in Stroke – Internal Balance – Forged Steel – 2-Piece Seal – Big Block Chevy – Each
Magnum BBC Crankshaft: Stroke 4.750, Main 2.750, Pin 2.200, Cammed for Rod Length 6.700. Gun drilled mains, all rod journals lightened, Dual linear post keyways. Heat Treatment = Ultra Case Deep Nitride.
Cammed for Rod Length: 6.7Engine Stroke: 4.75Main Journal Diameter: 2.75Pins: 2.2
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