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NGK Racing spark plug set (box of 4) is engineered for extreme racing conditions where durability and ignitability matter. Special center electrode configurations and unique insulator noses support rapid throttle response across a wide range of heat ratings. Built to endure harsh engine conditions, these plugs use NGK’s high-grade ceramic, trivalent plating and copper core features to aid heat removal and resist flashover under intense use.
NGK Racing Spark Plug Box of 4 (R0451B-8)
