NGK Laser Iridium Spark Plug ILTR5E11 (5 Pack) for HUMMER H3 BASE 2010-2010 3.7L/223

Engine L5, Engine Size 3.7L/223 Engine Family GM inline 5-cylinder Trivalent metal plating provides superior anti-corrosion and anti-seizing properties. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer. Copper core aids in heat removal. Triple seals prevent leakage Sold In 5 Pack