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The ACL main bearing set, part 5M909, includes a +0.010 in oversize flange for crankshaft journal correction during rebuilds. It supplies the main shells used to restore proper clearance and support for the crank journals. Select this +0.010 in oversize set when machining or wear requires a slight increase in bearing diameter to meet service tolerances.
ACL 5M909 + .010 O/W FLANGE Engine Crankshaft Main Bearing Set
