ACL Race Series main bearing set for BMW S85B50 5.0L V10 engines in .025mm undersize. This set matches crankshafts machined to the slight undersize and supplies the main shells needed for proper journal clearance during reassembly. Select the .025mm option when machining specifications call for a 0.001" reduction on the main journals.

ACL BMW S85B50 5.0L V10 .025mm Oversized Main Bearings