NGK Iridium IX spark plugs are tuned for the performance-minded driver, offering high ignitability, improved throttle response and strong anti-fouling characteristics. The fine iridium center electrode delivers durability many times greater than platinum and stable spark delivery, while tapered ground electrodes help starting and idle quality. These plugs aim to balance acceleration, fuel efficiency and long service life.
NGK Iridium Spark Plug Box of 4 (LTR7IX-11)