The ACL main bearing set fits Mazda four-cylinder engines with displacements from 1587–1998cc for 1982–1987 applications, supplied as a full crankshaft main bearing kit. It provides matched main shells to support the crankshaft and restore proper clearances during assembly. Choose this set when replacing worn mains or performing a complete engine rebuild on supported Mazda engines.
ACL Mazda 4 1587-1998cc 1982-87 Engine Crankshaft Main Bearing Set