The Eagle cast crankshaft for Pontiac 455 applications features a 4.250" stroke and 2.200" journal sizing in cast construction, delivering improved strength via .092" fillet radiuses while accepting OE replacement bearings. Intended for pump‑gas, naturally aspirated street cars, it offers a pragmatic crank upgrade for 455 engines without requiring exotic machining.
Eagle Pontiac 455 4.250in Stroke Cast Crankshaft