The Supertech black-nitrided exhaust valve for VW 1.8L and 2.0L 8V applications is supplied as a set of four with a +1mm oversize. The nitrided finish enhances surface durability for exhaust service and the oversize sizing supports valve seat reconditioning. Supplied in matched sets to help preserve consistent valve geometry and sealing after head work.
Supertech VW 1.8L/2.0L 8V Black Nitrided Exhaust Valve - +1mm Oversize - Set of 4