NGK LKAR6AIX-11 Iridium IX Spark Plug (91187 Iridium Ix)About this itemDesigned specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-foulingThe 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effectLonger insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakageIridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today’s high performance enginesTrivalent Metal Plating provides superior anti-corrosion and anti-seizing properties
