This Supertech black nitrided intake valve is a single replacement part for Audi and VW 1.8T 5-valve engines and is supplied as a drop-ship item. The listing specifies the black nitride finish and the 1.8T 5V application, making it suitable as an individual intake valve replacement where that engine configuration is used.
Supertech Audi/VW 1.8T 5V Black Nitrided Intake Valve - Single (Drop Ship Only)