Supertech Viton exhaust valve stem seals sized for 6mm valve stems are offered as a set of twelve for Nissan applications. The Viton elastomer construction provides oil and heat resistance at the valve guide interface, making these seals appropriate for routine engine service and rebuilds where 6mm exhaust stem seals are required.
Supertech Nissan 6mm Viton Exhaust Valve Stem Seal - Set of 12