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NGK Iridium IX spark plugs offer performance-focused ignitability and durability through a fine iridium center electrode and tapered ground electrode design. The construction improves starting, idle and throttle response while resisting fouling. With corrosion-resistant plating and a copper core for heat dissipation, these plugs are positioned as an upgrade for modified or high-performance applications seeking reliable spark and fuel efficiency benefits.
NGK Iridium Spark Plug Box of 4 (BKR6EIX-11)
