B10EG RACING PLUGS 4BX

Resistor: No Electrode Type: Fine Wire Center Electrode Core Material: Nickel Electrode Tip Material: Nickel Insulator Type: Non-Projected Thread Size (IN): 0.551 Inch Thread Size (MM): 14 Millimeter Reach: 3/4 Inch Seat Type: Gasket Wrench Diameter: 13/16 Inch Quantity: Single Engineered To Withstand The Harshest Engine Conditions Special Insulator Nose Configurations Improve Throttle Response 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