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The NGK Racing spark plug is built for extreme competition use, with specialized center-electrode designs and heat ranges suited to high-stress engines. Engineered to endure grueling racing conditions, these plugs prioritize ignitability and durability under elevated temperatures. Corrugated ribs, trivalent plating and triple seals help prevent flashover, corrosion and leakage, making them a race-focused OE replacement option.
NGK Racing Spark Plug Box of 4 (R5672A-10)
