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The NGK Iridium IX spark plug pack of four is crafted for drivers who prioritize acceleration, fuel economy and long-term durability. Fine iridium center tips and a tapered ground electrode boost ignitability and throttle response while resisting fouling. Trivalent metal plating provides corrosion and seizing protection and the ceramic insulator with copper core helps dissipate heat for consistent starting and dependable operation in higher-demand applications.
NGK IX Iridium Spark Plug Box of 4 (CR9EIX)
