Molnar 4340 Forged Crankshaft, 4.500" Stroke, 3.00" main, 326/350/389/400 Block, 2.200" BBC RJ

4340 forged premium steel construction Nitrided main and rod journal surfaces for superior wear resistance Multi stage heat treatment Precision machined to extremely tight tolerances Material properties are monitored closely to insure optimum performance Counterweight placement designed for improved crankshaft performance .125" radius on both the connecting rod and main journals for increased strength Precision ground and micro-polished journals Chamfered oil holes for improved oiling Indexed for correct stroke Molnar 4340 forged crankshafts are heat treated to increase tensile strength, shot peened to increase fatigue life, nitrided for wear resistance and 100% mag particle inspected to ensure against cracks. Sizes are held to the tightest tolerances you’ll find in the racing industry! MTE-401-4500RC6F 400 Pontiac w/ 2.200" Rod Pins 4.500 400 2.200 6.535 2150 RETAIL 1114.18