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The ACL main bearing set for Nissan Z20/Z24 engines covers displacements from 1,952–2,389cc and fits 1974–1989 applications. These crankshaft main bearings replace worn shells during rebuilds to restore correct journal support and oil film integrity. The set is intended for direct replacement in the listed Nissan engines to help return the crankshaft to correct operating clearances.
ACL Nissan 4 1952-2389cc Z20/Z24 1974-89 Engine Crankshaft Main Bearing Set
