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The NGK Iridium IX spark plug is engineered for modified and high-performance use, offering outstanding acceleration, fuel efficiency and longevity. Its fine iridium tip ensures durable, consistent sparks while the tapered ground electrode improves starting and idle quality. Trivalent plating reduces corrosion and seizing, and the robust insulator construction helps prevent fouling and flashover. Supplied as an upgrade in a box of four.
NGK Iridium IX Spark Plug Box of 4 (DPR9EIX-9)
