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The NGK Racing spark plug box of 4 is built for extreme conditions and sustained high-demand use. Its specially configured center electrode and insulator geometry improve ignitability and throttle response while resisting the harsh environments of competition. Constructed with NGK’s premium ceramic and copper core materials and finished with trivalent plating, these plugs aim to deliver consistent spark performance and durability in rigorous racing scenarios.
NGK Racing Spark Plug Box of 4 (BR9EG)
