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The Supertech black-nitrided exhaust valves are a set of eight designed for BMW M50, M52, S50 and S52 engines. These nitrided valves serve as direct replacements where the OEM valve form and finish are required for exhaust duty. They are supplied as a matched set for multi-valve head service during routine rebuilds or valve replacement jobs on the listed BMW engines.
Supertech BMW M50/M52/S50/S52 Black Nitrided Exhaust Valve - Set of 8
