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Supertech black-nitrided intake valves for BMW M3 S54 come as a set of 12 intake valves sized to fit the S54 cylinder head. The nitrided finish is specified and the set is offered as a direct replacement for intake-side valvetrain maintenance or rebuilding where OEM-style intake valve dimensions are required.
Supertech BMW M3 S54 Black Nitrided Intake Valve - Set of 12
