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The ACL Race Series main bearing set for Pontiac 151ci applications (1977–1993) and Chevrolet 153ci engines (1962–1970) supplies crankshaft main bearings targeted at race and high-demand rebuilds. The set supports reestablishing main journal support and precise clearances during bottom-end assembly, intended for builders working on the specified Pontiac and Chevrolet four-cylinder applications.
ACL Pont. 4 151 1977-93 Chev 4 153ci 1962-70 Race Series Engine Crankshaft Main Bearing Set
