The ACL main bearing set for Buick V6 181/196/231/252 engines (1964–1990) provides a complete crankshaft main bearing kit for engine overhauls. Supplied as matched mains to restore bearing clearances, it supports correct crankshaft alignment during reassembly. Recommended for rebuilds on the listed V6 displacements. Easy to install during standard overhaul procedures.

ACL Buick V6 181-196-231-252 1964-90 Engine Crankshaft Main Bearing Set