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ACL main bearing set for Oldsmobile V8 engines 260–403, listed for 1964–1990 applications. This matched main bearing kit supplies the shells used at the crankshaft main journals during rebuilds or service, intended to restore proper main clearances and crank support for the Olds V8 family specified in the listing.
ACL Olds. V8 260-307-350-403 1964-90 Engine Crankshaft Main Bearing Set
