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This Supertech black-nitrided exhaust valve is a single replacement for the Mazda Miata 1.8L engine, offered as an OE-form direct-fit option. The nitrided finish identifies it as a service part intended for rebuilt or repaired cylinder heads. It suits mechanics and DIYers replacing worn exhaust valves on 1.8L Miata engines, providing a like-for-like component for valve maintenance and repairs.
Supertech Mazda Miata 1.8L Black Nitrided Exhaust Valve - Single (Drop Ship Only)
