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The NGK Iridium IX spark plug is aimed at the performance enthusiast, offering outstanding ignitability, improved throttle response and enhanced anti-fouling. A fine iridium center electrode delivers long-lasting durability—far harder than platinum—while a tapered ground electrode improves starting and idle quality. Trivalent plating, copper core heat removal and high-grade ceramic insulation support reliable operation in modified or high-output applications.
NGK Iridium IX Spark Plug Box of 4 (BPR6HIX)
