Supertech supplies a +1mm oversize black-nitrided exhaust valve set for the Mazda Miata 1.6L in a quantity of eight. The oversize option is intended for cylinder heads requiring larger exhaust valves after reconditioning. The nitrided finish and +1mm sizing are provided in this full eight-valve pack to match the service requirements of 1.6L Miata engine valve jobs.
Supertech Mazda Miata 1.6L Black Nitrided Exhaust Valve - +1mm Oversize - Set of 8