Buy Callies SBC 4340 Forged Magnum Crank - 4.000 Stroke, Model CALSAO21A-MG online. Engines and Components,Engines And Components
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Magnum 4340 Forged Steel Crankshaft
Lightweight, durable crankshafts are made from ultra pure AISI 4340 forged steel. Crankshafts feature gun-drilled mains, fully profiled counter-weights, and have undergone exclusive Ultra-Case heat treatment. These crankshafts are available for a variety of small block and big block Chevy engines.
Crankshaft - Magnum - 4.000 in Stroke - Internal Balance - Forged Steel - 2 Piece Seal - Small Block Chevy - Each - MPN: SAO21A-MG
Brand | Callies |
Part Number | SAO21A-MG |
Product Line | Magnum |
Lightened | Yes |
1 / 2 Piece Rear Main Seal | 2-Piece |
Heat Treated | Yes |
Nitrided | Yes |
Gun Drilled | Yes |
Stroke | 4.000 in |
Mains | 400 |
Main Journal Diameter | 2.648 in |
Rod Journal Diameter | 2.100 in |
Narrowed Bearings Required | Yes |
Intended Balance | Internal |
Minimum Rod Length | 6.000 in |
Snout Style | Standard |
Crankshaft Key Quantity | 1 |
Flexplate / Flywheel Mounting Bolt Quantity | 6 |
Alloy | 4340 |
Material Style | Forged |
Material | Steel |
Color | Natural |
Finish | Natural |
Quantity | Each |