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The Supertech black-nitrided exhaust valve for BMW M50, M52, S50 and S52 engines is a single replacement offered as a drop-ship item. Finished with black nitride and sold individually, this valve supports selective exhaust valve replacement during maintenance or rebuilds on these BMW engines without requiring a full set purchase.
Supertech BMW M50/M52/S50/S52 Black Nitrided Exhaust Valve - Single (Drop Ship Only)
