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The Supertech black-nitrided exhaust valve set for the Mazda Miata 1.6L includes eight valves intended as direct replacement exhaust valves. Finished with a black nitrided coating as described, the eight-piece set supports complete valve renewal on compatible 1.6L Miata engines without changing valve type. Use when original exhaust valves show wear or when replacing in matched groups.
Supertech Mazda Miata 1.6L Black Nitrided Exhaust Valve - Set of 8
