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NGK Iridium IX spark plug set (box of 4) is built for the performance-minded driver, delivering extreme ignitability, strong anti-fouling and improved throttle response. A fine iridium center electrode provides durability many times harder than platinum while the tapered-cut ground electrode improves starting, idling and throttle response. These plugs aim to enhance acceleration, fuel efficiency and long-term durability in demanding use.
NGK Iridium IX Spark Plug Box of 4 (LZKR6AIX)
