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The NGK Iridium IX spark plug delivers extreme ignitability and durability for performance-minded applications. A fine iridium tip and tapered ground electrode improve starting, idling and throttle response while resisting fouling. Trivalent plating helps prevent corrosion and seizing, and the durable insulator supports consistent spark delivery under demanding conditions. Offered as an OE-equivalent upgrade and packaged in a box of four.
NGK Iridium Spark Plug Box of 4 (BCPR7EIX)
