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ACL main bearing set for Buick V6 204–231 engines covers model years 1990–1993 and is intended for the specified engine families. It is suitable for 1990–93 Type L engines, 1992–93 Type 1 engines, and 1991 Type C engines only, per the extended description. The set supplies matched mains for crankshaft support during rebuilds and precise bearing clearance restoration.
ACL Buick V6 204-231 1990-93 Engine Crankshaft Main Bearing Set
