The Supertech black-nitrided exhaust valve for Toyota Supra 2JZ applications is a single +1mm oversize replacement. Finished with a black nitride surface and sold individually, it functions as a direct replacement for worn exhaust valves in 2JZ engines, offering a precise oversize option for valve jobs and engine rebuilds while matching the nitrided treatment noted in the description.
Supertech Toyota Supra 2JZ Black Nitrided Exhaust Valve - +1mm Oversize - Single