The Supertech black-nitrided exhaust valve for VW 1.8L and 2.0L 8V applications is supplied as a set of four. The black nitrided surface treatment improves wear resistance for exhaust conditions and the matched set format helps ensure consistent fit and reliable sealing when replacing valves during cylinder head servicing.
Supertech VW 1.8L/2.0L 8V Black Nitrided Exhaust Valve - Set of 4