NGK RUTHENIUM HX SPARK PLUG

Resistor: Yes Electrode Type: U-Groove Electrode Core Material: Copper Electrode Tip Material: Ruthenium Insulator Type: Projected Thread Size (IN): 0.55 Inch Thread Size (MM): 14 Millimeter Reach: 1.043 Inch Seat Type: Gasket Wrench Diameter: 5/8 Inch Hex Quantity: Single Plugs Provide Unparalleled Durability And A More Complete Fuel Burn Resulting In Quicker Throttle Response Smoother Idle And Better Cold Starts Trivalent Metal Plating Eliminates Need For Anti-SeizeRuthenium Technology Offers The Highest Performance And Life Expectancy Limited 90 Day Warranty