Callies - SAO-11A-MG
Crankshaft - Magnum - 4.000 in Stroke - Internal Balance - Forged Steel - 2-Piece Seal - Small Block Chevy - Each
Magnum Small Block Chevy Crankshaft: Stroke 4.000, Main 2.448, Pin 2.100, Cammed for Rod Length 6.000. Gun drilled mains, all rod journals lightened, Dual linear post keyways. Heat Treatment = Ultra Case Deep Nitride.