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The NGK Racing spark plug is built for extreme, competition use where durability and consistent ignitability matter. Special center electrode configurations, pure alumina silicate insulation and copper core construction help manage heat and maintain reliable spark under severe conditions. Trivalent plating eases installation and removal, while tailored heat ranges and insulator designs make these plugs suitable for a variety of racing applications.
NGK Racing Spark Plug Box of 4 (R5670-8)
