The Supertech black nitrided intake valve for Toyota 2RZ‑FE and 3RZ‑FE engines is a single replacement offered at +1mm oversize to allow seat machining during rebuilds. Sold individually, the oversize option gives shops room to recut seats where wear exists. The nitrided surface treatment is specified for buyers seeking treated valve components.
Supertech Toyota 2RZFE/3RZFE Black Nitrided Intake Valve - +1mm Oversize - Single