The Supertech black-nitrided exhaust valve set for Honda and Acura K20/K24 applications is supplied as a +0.5mm oversize set of eight. These valves are listed with a black nitrided finish and the +0.5mm oversize option, and the description names K20 and K24 engine applications to aid correct selection for exhaust valve replacement.
Supertech Honda/Acura K20/K24 Black Nitrided Exhaust Valve - +0.5mm Oversize - Set of 8