The NGK Racing spark plug box of 4 is engineered to endure extreme, track-level conditions and deliver aggressive ignitability across a wide range of heat ranges. Special center electrode configurations and insulator nose designs improve throttle response and durability under high-load use. Built from NGK’s high-grade ceramic and copper core materials with trivalent plating, these plugs prioritize ignitability and long life for demanding racing applications.
NGK Racing Spark Plug Box of 4 (BR8EG)