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The ACL main bearing set for Oldsmobile V8 engines (400, 425, 455; 1965–1976) is a crankshaft main bearing kit providing precise bearing surfaces and clearances to support crankshaft rotation. Offered as a direct-replacement for the listed Olds big-block displacements and years, the set is intended for engine rebuilds or reconditioning where correct main bearing fit and crank support are required.
ACL Olds. V8 400-425-455 1965-76 Engine Crankshaft Main Bearing Set
