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The NGK Ruthenium HX spark plug for 2011–2020 Chrysler 300 applications brings high ignitability and OE-level tip technology to modern engines, improving cold starts, idle smoothness and throttle response. Patented ruthenium tip and Double Fine Electrode design concentrate spark energy for reliable combustion in rich or lean conditions. Fine ruthenium center wire, platinum ground, alumina insulator and trivalent plating provide durability, heat control and corrosion resistance.
NGK 11-20 Chrysler 300 Ruthenium HX Spark Plug
