Double Iridium firing pin and ground electrode inlay provide 4X longer service life compared to standard copper plugs , 0., 6mm fine wire firing pin provides superior ignitability and performance El diseño de alambre ultrafino y el electrodo de tierra cónico soldado con láser ofrecen un rendimiento óptimo, mientras que el electrodo central de iridio y el electrodo de tierra lo ayudan a recorrer la distancia. Original equipment, pre-gapped replacement delivering optimum fit, form and function. Desbloquea el rendimiento de tu motor con las bujías Bosch Double Iridium Bosch Automotive (9697) – Bujía De Doble Iridio De Alambre Fino De Equipo Original, Paquete De 4 Bujía Larga Duración Ford Bosch 9697 Double Iridium Spark Plug, Up To 4X Longer Life (Pack Of 1 Bujía Iridium Motor Fit type: Vehicle Specific Bosch OE Fine Wire Double Iridium. All iridium plugs are NOT created equal. Give your customers the only one engineered for both high performance and long life. The ultra fine wire design and laser welded, tapered ground electrode deliver the ultimate in ignitability and high performance