The ACL main bearing set for Mazda four-cylinder engines (1.3–1.6L full groove) is an engine crankshaft main bearing set intended for use during rebuilds and maintenance. Supplied to match the listed groove-style bearings and displacements, it helps restore correct crankshaft support and bearing clearances when the engine is disassembled and reassembled.
ACL Mazda 4 1.3-1.5-1.6L Full Groove Engine Crankshaft Main Bearing Set