Supertech black-nitrided intake valves for Honda and Acura K20/K24 engines, supplied as a set of eight at +1mm oversize. These catalog-listed valves are intended for use when replacing intake valves or performing head service on K20/K24 engines; the source specifies the nitrided finish and the oversize sizing as part of the product identity.
Supertech Honda/Acura K20/K24 Black Nitrided Intake Valve - +1mm Oversize - Set of 8