The ACL main bearing set for Mazda 4-cylinder engines is a crankshaft main bearing kit intended for 1970–1985 Mazda four-cylinder applications with 1,586, 1,796 or 1,970 cc displacements. It provides the matched main bearing shells required to support and locate the crankshaft. This replacement set is specified to fit those engine displacements and model years as listed in the product description.
ACL Mazda 4 1586-1796-1970cc 1970-85 Engine Crankshaft Main Bearing Set