Up for sale is NGK 5944 BPR7HIX IRIDIUM IX SPARK PLUG 5944. The vendor part number is 5944. Please read title to know what you are getting. The catalog decription.... is Fine Iridium tip ensures high durability and a consistently stable sparkIridium alloy has extremely high melting point, perfect for todays high-tech, high-performance enginesTrivalent Metal Plating - superior anti-corrosion and anti-seizing propertiesOutstanding acceleration, high fuel efficiency and durabilityUltimate design, technology and performance