The NGK Iridium IX spark plug pack of four is aimed at the performance-minded driver seeking improved acceleration, fuel efficiency and durability. A fine iridium center tip and tapered ground electrode boost ignitability, throttle response and anti-fouling properties. Trivalent plating aids corrosion resistance and a robust insulator and copper core help manage heat for consistent starting and dependable operation in modified or high-performance applications.
NGK IX Iridium Spark Plug Box of 4 (TR5IX)