R56736RACING PLUGS 4 BOX

Resistor: No,Electrode Type: Standard,Electrode Core Material: Nickel,Electrode Tip Material: Nickel,Insulator Type: Non-Projected,Thread Size (IN): 0.551 Inch,Thread Size (MM): 14 Millimeter,Reach: 0.438 Inch,Seat Type: Tapered,Wrench Diameter: 5/8 Inch,Quantity: Single Engineered To Withstand The Harshest Engine Conditions,Features A Unique V-Cut In The Center Electrode That Directs The Spark To The Edge Of The Electrode, Helping The Spark Develop More Rapidly, Increasing Ignitability And Reducing Quenching,Special Insulator Nose Configurations Improve Throttle Response,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,Limited 90 Day Warranty