Supertech black nitrided intake valves for Nissan RB26DETT are sold as a set of 12 and are specified for RB26DETT cylinder head replacement. The listing identifies a black nitrided finish and standard sizing for intake service, making them suitable for engine rebuilding where factory-fit intake valves are required.
Supertech Nissan RB26DETT Black Nitrided Intake Valve - +1mm Oversize - Set of 12