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The NGK Racing spark plug is tuned for extreme motorsport use, featuring custom center-electrode shapes and broad heat-range options for demanding engines. Built to withstand harsh race conditions, these plugs emphasize reliable ignitability and thermal resilience. Corrugated ribs, trivalent plating and triple seals reduce flashover, corrosion and leakage for consistent race-day performance.
NGK Racing Spark Plug Box of 4 (R5672A-9)
