NGK Ruthenium HX (set of 4) 1 step colder Spark Plugs 2014-2019 Fiesta ST

IN STOCK as of 10/11/2023 (set of 4) 1-step colder plugs for your Fiesta ST factory gapped to .030 RUTHENIUM HX™ High-Ignitability Spark Plugs Ruthenium HX™ brings the most advanced spark plug technology to the automotive aftermarket, delivering better efficiency and power for today’s engines. THE NGK DIFFERENCE DFE & PSPE® tip designs Superior oxidation resistance Advanced high-ignitability technology Enhanced blistering/anti-peeling THE LATEST INNOVATION IN PRECIOUS METAL SPARK PLUGS. Modern engines demand more power while using less fuel, shortening the life of traditional iridium and platinum spark plugs. NGK’s patented ruthenium technology stands up better to wear to bring maximum durability and performance to your engine.