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Supertech triple‑groove intake valves, black nitrided, sold as a set of eight for BMW M42/S42 engines. These nitrided intake valves are supplied in the correct groove configuration to fit the specified valve train and are intended as direct replacement components where these engine applications require the M42/S42 valve profile and treatment.
Supertech BMW M42/S42 Black Nitrided Triple Groove Intake Valve - Set of 8
