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ACL crankshaft main bearing set that provides core journal support for engine rebuilds and repairs. It restores proper bearing clearance and oil film control to maintain smooth crankshaft rotation. Note: this part will be superseded by 4M2037A when stock is exhausted, so check current numbering when ordering replacement main bearings.
ACL To be superceded by 4M2037A when stock exhausted. Engine Crankshaft Main Bearing Set
