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Eagle forged 4340 steel crankshaft for Pontiac 455, 4.250" stroke with 2.200" rod journals. Built using a non-twist forging and .125" fillet radiuses for added strength, it requires chamfered or narrowed bearings. Nitrided surface treatment and micropolished journals improve wear characteristics. Intended for high-load, demanding uses where a durable forged crankshaft is required.
Eagle Pontiac 455 4.250in Stroke 2.200in Rod Journals Forged 4340 Steel Crankshaft
