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The Supertech Inconel exhaust valve for BMW M3 S54 is a +1mm oversize single valve intended for applications needing a larger valve dimension. Constructed from Inconel and sold individually, this oversize option accommodates seat machining or wear correction during S54 engine service and rebuilds without requiring full valve sets.
Supertech BMW M3 S54 Inconel Exhaust Valve- +1mm Oversize - Single
