Supertech black-nitrided intake valve set for Honda B16A and B18C engines offered as eight pieces at +1mm oversize. The listing identifies these valves for those engine codes and indicates the oversize sizing appropriate for valve seat adjustments or rebuilds. The black nitrided finish is included in the source description and the package is presented as a full set of eight.
Supertech Honda B16A/B18C Black Nitrided Intake Valve - +1mm Oversize - Set of 8