The Supertech black-nitrided intake valve for Volkswagen 1.8L and 2.0L 8-valve and 16-valve engines is a single replacement valve sold individually for intake-side service. The listing covers both 8V and 16V variants where this nitrided intake valve format is applicable, providing the single-component option for targeted valve replacement during maintenance.
Supertech VW 1.8L/2.0L 8V 16V Black Nitrided Intake Valve - Single (Drop Ship Only)