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NGK Iridium IX spark plug is a performance-oriented replacement aimed at drivers seeking sharper throttle response, improved fuel efficiency and long-term durability. A fine iridium center electrode and tapered ground electrode deliver extreme ignitability and consistent spark, while the iridium tip offers durability well above platinum. High-grade ceramic insulator and trivalent plating further enhance dielectric performance and resistance to corrosion. Supplied as a four-pack, Iridium IX plugs are a durable upgrade for modified or demanding applications.
NGK Iridium IX Spark Plug Box of 4 (BR7HIX)
