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NGK Iridium IX spark plugs (BPR7HIX) feature a fine iridium center electrode and tapered ground electrode to enhance ignition stability, throttle response and starting characteristics. Built for modified or high-performance use, they offer improved anti-fouling and longevity thanks to iridium's high melting point, delivering consistent spark performance and better fuel efficiency versus conventional nickel plugs.
NGK IX Iridium Spark Plug Box of 4 (BPR7HIX)
