NGK Iridium IX Spark Plugs LTR7IX-11 (6510) fit Ford Focus ST MK3 Ecoboost
All Ford Ecoboost engines including Ford Focus MK3 ST & ST250. Ford Focus RS MK3. Genuine NGK Iridium IX Spark Plugs. - Fine Iridium tip ensures high durability and a consistently stable spark. NGK PART NUMBER: LTR7IX-11.