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Supertech valve stem seal set for Nissan engines, 7mm Viton material, sold as a set of eight. These seals are specified for Nissan valve stems and use Viton compound for improved temperature and chemical resistance. They are provided for engine rebuilds or routine valve servicing to help control oil at the valve stem and maintain proper valve guide lubrication in high-mileage or performance engines.
Supertech Nissan 7mm Viton Valve Stem Seal - Set of 8
