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The NGK Iridium IX spark plug is tailored for enthusiasts seeking sharper throttle response and better fuel efficiency. Its fine iridium center electrode and tapered ground design boost ignitability and resist fouling, delivering improved starts, idle and acceleration. High-grade ceramic insulation and corrosion-resistant plating support durability, making Iridium IX a strong OE-style upgrade for modified or higher-demand applications where reliable spark and longevity matter.
NGK Iridium Spark Plugs Box of 4 (BKR7EIX-11)
