Crankshaft – Magnum – 4.000 in Stroke – Internal Balance – Forged Steel – 1-Piece Seal – GM LS-Series – Sold as Each – Brand: Callies – Part Number: APO-31V-MG

Specifications

Brand Callies Part Number APO-31V-MG Product Line Magnum 1 / 2 Piece Rear Main Seal 1-Piece Gun Drilled Yes Stroke (in) 4.000 in Main Journal Diameter 2.559 in Rod Journal Diameter 2.100 in Narrowed Bearings Required Yes Intended Balance Internal Snout Style Standard Counterweight Quantity 8 Crankshaft Key Quantity 1 Flexplate / Flywheel Mounting Bolt Quantity 6 Reluctor Wheel Included Yes Reluctor Wheel Tooth Quantity 58 Alloy 4340 Material Style Forged Material Steel Color Natural Finish Natural Quantity Each