The Supertech black-nitrided intake valve for Nissan RB25 24V DOHC engines with hydraulic lifters is a +1mm oversize single designed for service and rebuild use. The nitrided treatment increases wear resistance and surface durability. Supplied individually, it enables precise replacement where one oversize intake valve is needed during repair.
Supertech Nissan RB25 24V DOHC (w/Hydro Lifters) Blk Nitrided Int Valve +1mm OS - Single (D/S Only)