The Supertech intake valve for VW 1.8L/2.0L 8V engines is supplied as a set of four with a +2mm oversize and a black nitrided finish. Intended as a replacement for engines needing slightly larger intake valves after porting or seat work, the set matches the 8V intake layout and includes the nitrided surface noted in the description.
Supertech VW 1.8L/2.0L 8V Black Nitrided Intake Valve - +2mm Oversize - Set of 4