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ACL crankshaft main bearing set, identified as part 5M909 with a +.010 oversize flange, provides the bearings required to support the crankshaft during engine rebuilds. The oversize flange specification helps match journals that have been machined or require an oversize bearing. Use this set when replacing main bearings to reestablish correct clearances and journal support.
ACL 5M909 + .010 O/W FLANGE Engine Crankshaft Main Bearing Set
