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The NGK Racing spark plug is built for extreme use and high-demand racing conditions, offering designs and heat ranges tailored to competitive engines. Special center electrode configurations and insulator profiles improve ignitability and throttle response under severe loads. Constructed to withstand harsh conditions, these plugs pair NGK's durable ceramic insulator, copper core and corrosion-resistant plating to deliver dependable performance in racing applications.
NGK Racing Spark Plug Box of 4 (R5674-7)
