The ACL main bearing set for Chevrolet inline-six engines fits 194, 230, 250 and 292 cubic‑inch applications produced 1962–1990 and uses standard-thrust-width crankshaft bearings. It supplies the matched mains needed when rebuilding the crank support, restoring correct rotational clearance and bearing alignment during engine overhauls and routine rebuild work.

ACL Chevrolet 6 194-230-250-292 1962-90 (Std thrust width) Engine Crankshaft Main Bearing Set