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The NGK Racing spark plug is engineered for the harsh demands of motorsport, offering rugged electrode designs and heat-range options to maintain ignitability under extreme conditions. Pure alumina silicate insulation, a copper core for heat removal and trivalent plating for corrosion resistance combine to support rapid starts and dependable operation. These plugs are intended where sustained high-load reliability is essential.
NGK Racing Spark Plug Box of 4 (R5673-7)
