2X longer service life compared to standard copper plugs Bosch Platinum Spark Plugs are the newest member of our OE fine wire spark plug family. From the brand trusted in the world's most advanced engines, Bosch Platinum Spark Plugs are engineered to provide you with improved ignitability and performance. Product Features:OE design for optimum fit and functionFine wire design delivers improved ignitability and performance lifeCenter electrode is an ultra fine wire design.Copper core provides broader heat range to resist pre-ignitionTapered shape ground electrode reduces flame shrouding for improved combustionYttrium enhanced to resist wearNickel-plated shell with rolled threadsRibbed insulator design
