The Supertech intake valve set for Mazda Miata 1.8L is a replacement intake valve specified at 34 x 5.96 x 102.60 mm with a +1 mm head diameter and a black nitride finish. Sold as a set of eight, these valves are intended for valve service or engine rebuilds on 1.8L Miata applications and reflect Supertech's SPT line sizing and finish.
Supertech Mazda Miata 1.8L 34x5.96x102.60mm +1mm Head Dia Black Nitrided Intake Valve - Set of 8