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NGK Racing spark plugs are engineered for extreme motorsport use, with center electrode designs and special insulator configurations built to withstand grueling racing conditions. They offer a range of heat ranges and constructions tuned for high‑stress applications, plus ceramic insulators and corrosion‑resistant plating to aid heat transfer, prevent flashover and simplify installation and removal.
NGK Racing Spark Plug Box of 4 (R5670-6)
