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The Eagle IMCA‑legal cast crankshaft for Chevrolet 305/350 is a one‑piece rear‑seal design with a 3.480" stroke and .125" fillet radiuses that increase strength but require chamfered or narrowed rod and main bearings. Lacking lightening holes on certain throws to meet IMCA rules, it provides a competition‑compliant option where specific bearing clearances are observed.
Eagle Chevrolet 350 1Pc Seal 3.480in Cast IMCA Legal Cast Crankshaft
