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ACL Race Series main bearing set for BMW S65B40 4.0L V8 engines in .50mm (0.020") sizing. This main bearing set fits crankshafts machined to the .50mm undersize and supplies the full set of main shells for reassembly during engine overhaul. Select this size when your crankshaft specification calls for a 0.020" undersize to restore journal clearances.
ACL BMW S65B40 4.0L V8 .50mm Oversized Main Bearings
