The NGK Ruthenium HX spark plug delivers high ignitability for modern engines using patented ruthenium tip technology and specialized DFE/PSPE tip designs to focus spark energy. It encourages a more complete fuel burn for improved throttle response, a smoother idle and better cold starts while offering superior durability from the ruthenium center electrode. Fine-wire electrode construction, alumina ceramic insulation and corrosion-resistant plating support heat management and serviceability.
NGK Ruthenium HX Spark Plug Box of 4 (LKR6AHX)