The Supertech black-nitrided intake valves are a set of eight for Honda F20C1 and F22C1 engines, offered +1mm oversize. These service replacement intake valves carry the stated nitrided finish and oversize specification, intended for rebuilds or head work that requires slightly larger valve dimensions. They arrive as a matched set sized for the listed Honda K-series variants identified in the source.
Supertech Honda F20C1/F22C1 Black Nitrided Intake Valve - +1mm Oversize - Set of 8