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The NGK Racing spark plug, in a box of 4, is engineered for extreme use and built to withstand rigorous racing conditions. Specially configured center electrodes and various heat ranges deliver durability and ignitability in demanding applications. The pure alumina silicate insulator improves strength and thermal behavior while trivalent plating reduces corrosion and seizing, supporting reliable installation and high-temperature endurance.
NGK Racing Spark Plug Box of 4 (R7433-9)
