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The NGK Racing spark plug is built for extreme, high-stress motorsport use and engineered to withstand grueling racing conditions. Special center-electrode configurations boost durability and ignitability across a variety of heat ranges, supporting aggressive tuning and throttle response. High-grade ceramic insulation, corrugated ribs and a copper core aid heat control, while trivalent plating provides anti-corrosion and anti-seize protection for easier servicing.
NGK Racing Spark Plug Box of 4 (R5670-5)
