The NGK Racing spark plug is built for extreme use and demanding race conditions, featuring specialized center-electrode configurations that prioritize ignitability and durability across multiple heat ranges. Intended for high-performance and competitive applications, these plugs offer rapid, reliable sparks under severe loads. Robust ceramic insulation, triple seals and corrosion-resistant plating support long life and consistent operation in challenging environments.
NGK Nickel Spark Plug Box of 4 (R5671A-10)