NGK Iridium IX Spark Plug Box of 4 (KR7DIX-11S)

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability.
ACURA 2017-09; CHRYS 2017-11; DODGE 2017-11; GENESIS 2017, HON 2018-08; HYUNDAI 2017-10; JEEP 2017-11; KIA 2017-11; MITSUBISHI 2017-14, RAM 2017-12; VW 2014-11