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The NGK Iridium IX spark plug targets the performance-minded driver seeking improved throttle response and fuel efficiency. A fine iridium center electrode offers extreme ignitability and long life, while a tapered cut ground electrode enhances starting, idling and throttle response. Iridium’s high melting point supports durability under high temperatures. Trivalent plating aids installation and corrosion resistance. Supplied in a box of 4.
NGK Iridium IX Spark Plug Box of 4 (CR8EHIX-9)
