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The ACL crankshaft main bearing set is made for Pontiac four-cylinder 151 engines (1977–1993) and Chevy 153 ci four-cylinder engines (1962–1970) as listed. Supplied as a complete main bearing kit, it restores correct main journal clearances and supports the crankshaft during rebuilds and repairs. Use this set to replace worn mains and return proper bearing support in these older GM four-cylinder engines.
ACL Pont. 4 151 1977-93 Chev 4 153ci 1962-70 Engine Crankshaft Main Bearing Set
