TVS APACHE RTR 200 NGK IRIDUM SPARK PLUGTVS APACHE RTR 200 NGK IRIDUM SPARK PLUG Part Number: CR7EIX Model: NGK Iridium IX Iridium 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 center electrode of diameter 0. 6mm. and has a thermo edge design for central electrode. These features give anti carbon fouling performance, smoothest running, and excellent acceleration with increased