The Supertech black-nitrided exhaust valve set for Honda K20 and K24 engines is supplied as a set of eight valves finished with a black nitriding treatment. These valves are intended for exhaust valve replacement or engine rebuilds on compatible K-series applications and are sold as a complete eight-piece kit. Always confirm engine series fitment before installation.
Supertech Honda K20/K24 Black Nitrided Exhaust Valve - Set of 8