Up for sale is NGK 6966 IMR9A-9H LASER IRIDIUMSPARK PLUG 12.7MM THREAD 6966. The vendor part number is 6966. 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