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An ACL crankshaft main bearing set for Chevrolet big-block V8s covering 396–454 series (1965–2000) supplied as a matched main set for engine overhauls. It restores proper crankshaft clearance and alignment during rebuilds, helping reestablish correct oil film and journal support. Intended for bottom-end service and long-term replacement during engine refresh.
ACL Chevrolet V8 396-402-427-454 1965-00 Engine Crankshaft Main Bearing Set
