Callies BBB-42B-MG – Magnum Big Block Chevy Crankshaft

Description

Callies BBB-42B-MG – Magnum Big Block Chevy Crankshaft

Crankshaft – Magnum – 4.375 in Stroke – Internal Balance – Forged Steel – 2-Piece Seal – Big Block Chevy – Each

Magnum BBC Crankshaft: Stroke 4.375, Main 2.750, Pin 2.200, Cammed for Rod Length 6.535. Gun drilled mains, all rod journals lightened, Dual linear post keyways. Heat Treatment = Ultra Case Deep Nitride.

Cammed for Rod Length: 6.535Engine Stroke: 4.375Main Journal Diameter: 2.75Pins: 2.2