Ngk spark plugs spark plug gold-palladium r6918b-9

NGK Gold Palladium Plugs Feature a Fine Wire Gold Palladium Center Electrode for Improved Ignitability, Increased Durability and Enhanced Anti-Fouling Capabilities.<li> Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties</li><li> Corrugated Ribs Prevent Flashover</li><li> Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer</li><li> Copper Core Aids in Heat Removal</li><li> Triple Seals Prevent Leakage</li>