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The NGK Iridium IX spark plug pairs a fine-wire iridium center electrode with a tapered-cut ground electrode to improve starting, idling and throttle response. Built for higher-demand and modified applications, it delivers exceptional ignitability, anti-fouling and long durability. The iridium tip resists wear far beyond platinum, helping provide better acceleration and improved fuel efficiency as an upgrade over OE nickel plugs.
NGK IX Iridium Spark Plug Box of 4 (DRR8EIX)
