NGK IRIDIUM IX SPARK PLUGS are globally the best performance category of spark plugs having superior technology. These spark plugs use very precious Iridium metal at the tip of the centre electrode of diameter 0.6mm and has a thermo-edge design for the central electrode maintaining a gap of 0.8mm. These features give anti-carbon fouling performance, smoothest running, and excellent acceleration with increased mileage and are used and appreciated by most racing bikes and cars all over the world.
