The Supertech black nitrided intake valve for Honda B16A/B18C is a single +1mm oversize replacement. Finished with black nitride, it matches the oversize intake specification for B16A and B18C engine rebuilds or valve upgrades. Confirm the +1mm sizing and compatibility with the intended engine before purchasing this single valve.
Supertech Honda B16A/B18C Black Nitrided Intake Valve - +1mm Oversize - Single