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The ACL rod bearing set for Buick V6 181/204/231/252 engines is specified for 1977–1990 applications and is a 0.660‑inch wide rod bearing for select engines. The product notes specific fitments: 181, late‑model 204 (1989–1990), 231 Type A (1977–1988) including 231 Turbo, and 252 engines. It is intended for rod journal service during bottom‑end rebuilds and is listed to be superseded by part 6B2360A.
ACL Buick V6 181-204-231-252 1977-90 Engine Connecting Rod Bearing Set
