NGK SPARK PLUG IFR8H-11 5068 NG5068 IFR8H11

NGK Iridium IX Spark Plug IFR8H-11. Features an iridium electrode that is 25% smaller than platinum and 1/4 the size of conventional nickel electrodes. The ultra-small diameter center electrode reduces voltage requirements and enhances ignition system life. New metal shell plating offers superior corrosion resistance and anti-seizing properties. Designed for high-performance applications, delivering improved efficiency and durability. Sold individually. Heat Range: 8. Thread Size: 14 mm. Reach: 19 mm (3/4"). Hex Size: 5/8" (16 mm). Type: Resistor. Seat Type: Gasket. Terminal Type: Solid Terminal Nut. Tip Configuration: Projected Tip. Gap: .043" (1.1 mm). Weight: 0.12 lbs. Part No.: 37-IFR8H-11. Extreme Long Life Features: Iridium Tipped Fine Wire Center Electrode enhances spark efficiency with reduced voltage requirements. Platinum Tipped Tapered Cut Ground Electrode offers extended plug life and reduces quenching for consistent performance. Trivalent Metal Plating protects against corrosion and seizing. Corrugated Ribs prevent flashover for reliable operation. Pure Alumina Silicate Ceramic Insulator ensures superior heat transfer and mechanical strength. Copper Core aids in efficient heat removal.