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NGK Iridium IX spark plugs offer outstanding acceleration, fuel efficiency and durability for performance-minded or modified applications. The fine iridium center electrode and tapered ground electrode improve starting, idling and throttle response while trivalent plating resists corrosion and seizing. Their high melting-point iridium tip delivers a durable, consistent spark for high-temperature modern engines.
NGK Iridium Spark Plug Box of 4 (LFR6AIX-11)
