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The ACL main bearing set AU‑5M909A with +.020 oversize and flange specification supplies oversized crankshaft main bearing shells for engines requiring a +0.020 in. undersize correction and flange fit. These bearings restore journal clearance and crank support after machining or wear. Supplied as a complete oversize main bearing kit for direct replacement during rebuilds.
ACL AU- 5M909A + .020 O/W FLANGE Engine Crankshaft Main Bearing Set
