NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability.
Caption: NGK Iridium IX plugs offer extreme ignitibility and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response.
Features and Benefits: The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloys extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to a NGK RUTHENIUM HX™ plug.