The Supertech intake valve set for Honda F20C1 and F22C1 engines includes eight black-nitrided intake valves at +0.5mm oversize. Specified for those engine codes, this matched eight-piece set is intended for valve replacement or rebuild work requiring a +0.5mm oversize. The description identifies the engines and the nitrided finish.
Supertech Honda F20C1/F22C1 Black Nitrided Intake Valve - +0.5mm Oversize - Set of 8