NGK LKAR6AIX11 Iridium IX Spark Plug 91187 Iridium Ix 4 Pack

Designed specifically for the performance enthusiast Iridium IX offers extreme ignitability improved throttle response and superior antifouling The 06 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect Longer insulator nose prevents fouling the corrugated ribs on insulator prevents flashover and a triple gasket seal eliminates combustion gas leakage Iridium alloy has extremely high melting point giving it high durability to heat and electrical wear perfect for todays high performance engines Trivalent Metal Plating provides superior anticorrosion and antiseizing properties