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Supertech Inconel exhaust valves for the Mazda Miata 1.8L are supplied as a set of eight intended for exhaust port service. These valves are identified as Inconel construction and sold in the eight-piece quantity needed for a complete bank or full engine valve set on compatible 1.8L Miata engines, suitable when replacing worn or damaged exhaust valves with like-for-like components.
Supertech Mazda Miata 1.8L Inconel Exhaust Valve - Set of 8
