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Supertech black-nitrided intake valve set for BMW M50/M52/S50/S52 is supplied as twelve intake valves intended to match those engine families. The listing identifies these as intake valves with a black nitrided surface, offering a direct-fit set for intake-side valvetrain replacement during maintenance or cylinder-head rebuilds.
Supertech BMW M50/M52/S50/S52 Black Nitrided Intake Valve - Set of 12
