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The NGK Racing spark plug is purpose-built for extreme conditions and competitive engines, offering specialized electrode shapes and insulator profiles to maintain ignitability and durability. Trivalent metal plating eases installation and resists corrosion while corrugated ribs and a copper core reduce flashover and aid heat removal. Available across multiple heat ranges to suit varied racing applications. Packaged in a box of four.
NGK Racing Spark Plug Box of 4 (R5673-9)
