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The NGK Racing spark plug is engineered for extreme use and to withstand rigorous racing conditions. Its specially configured center electrode and insulator nose improve ignitability and throttle response across a range of heat ratings. Built for durability under high stress, these plugs deliver consistent sparks during hard use. Trivalent plating resists corrosion and seizing, while copper cores aid heat removal for reliable operation in demanding engines.
NGK Racing Spark Plug Box of 4 (R6918B-7)
