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NGK Racing spark plugs (box of 4) are engineered for extreme motorsport conditions with specialized center electrode configurations and insulator designs that improve ignitability and throttle response under high stress. Built to withstand harsh engine environments, these plugs use NGK's proven ceramic and sealing technologies to manage heat and prevent leakage. They are selected for demanding racing applications where durability and consistent ignition matter most.
NGK Racing Spark Plug Box of 4 (R2349-10)
