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The ACL main bearing set, part 5M590P, is supplied with a +0.020 in oversize flange to correct crankshaft journal sizing during rebuilds. It provides the replacement main shells needed to restore proper clearance and consistent oil film on the journals. Select this oversize bearing set when a +0.020 in correction is required to meet specified crankshaft tolerances.
ACL 5M590P + .020 O/W FLANGE Engine Crankshaft Main Bearing Set
