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 Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability.
ACURA 2003-92; BMW 1997-88; CHRYS 2014-07; DODGE 2014-94; HON 2005-90; HYUNDAI 2011-06; ISUZU 1999-96; JEEP 2014-07; KIA 2011-08; MAZDA 2003-90; MITSUBISHI 2007-06
RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
Trivalent metal plating for superior anti-corrosion and anti-seizing properties
NGK Iridium Spark Plugs Box of 4 (ZFR5FIX-11)
Copper core aids in heat removal
Triple seals prevent leakage
NGK Iridium IX Spark Plug
Iridium IX Spark Plug
Spark Plug
