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The Supertech black-nitrided exhaust valve for VW 1.8L and 2.0L 8V applications is supplied as a set of four with a +2mm oversize. The black nitrided surface treatment improves wear resistance in exhaust conditions while the oversize option accommodates more extensive valve seat machining. Sold in matched sets to ensure consistent fit and sealing across cylinders.
Supertech VW 1.8L/2.0L 8V Black Nitrided Exhaust Valve - +2mm Oversize - Set of 4
