IRIDIUM SPARK PLUGS-BOXED

Resistor: Yes,Electrode Type: V-Trimmed,Electrode Core Material: Iridium,Electrode Tip Material: Platinum,Insulator Type: OEM,Thread Size (IN): 0.55 Inch,Thread Size (MM): 14 Millimeter,Reach: 1 Inch,Seat Type: Gasket,Wrench Diameter: OEM,Quantity: Single Champion Iridium Center Electrodes And Laser-Locked Platinum Ground Electrodes Ensure Maximum Life,Fine-Wire Electrode And Platinum V-Trimmed Ground Electrode Produce The Sharpest Spark Focus,Exclusive Heat-Active™ Alloy Quickly Reaches Operating Temperature And Maintains Stable Operating Temperatures Under Varying Engine Loads,Limited 7 Year Warranty