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The ACL standard-size main bearing set is intended for Chevrolet big-block V8 engines (396, 402, 427, 454) produced between 1965–2000. These bearings match OEM journal dimensions and are used during engine rebuilds to restore correct crank clearances. Choose this set when returning a big-block Chevy to factory rotating assembly tolerances as part of a standard overhaul.
ACL 1965-2000 Chevy V8 396/402/427/454 Standard Size Main Bearing Set
