The Supertech black-nitrided intake valve for Nissan RB26DET applications is a +1mm oversize single, intended for valve jobs that require larger valve dimensions. The nitrided finish increases surface hardness and resistance to wear. Sold individually, this valve provides a direct service option for engine rebuilds or selective cylinder repairs.
Supertech Nissan RB26DET Black Nitrided Intake Valve - +1mm Oversize - Single