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NGK Iridium IX single spark plugs offer exceptional ignitability, improved fuel efficiency and long-term durability for performance-oriented applications. The fine iridium center electrode and tapered ground electrode improve starting, idling and throttle response while trivalent plating reduces corrosion and seizing. Iridium's high melting point ensures a consistent, durable spark for modern high-temperature engines.
NGK Single Iridium Spark Plug Box of 4 (LZTR7AIX-13)
