The information below is per-pack only Laser Platinum spark plugs provide high ignitability and longer service life Dual platinum surfaces ensure slow wear rate providing stable idle, improved fuel efficiency and lower emissions Laser welded Platinum center electrode tip creates faster starts and quicker acceleration while the platinum disc welded to backside of ground electrode provides long life Trivalent metal plating provides superior anti-corrosion and anti-seizing propertiesTriple gasket seal eliminates combustion gas leakage ASIN B0CDNPJTYS Brand Name NGK Unit Count 2.0 Count Item Weight 46 Grams Thread Size M14x1.25 Manufacturer NGK Model Number PZFR6F-11 Core Material Platinum Item Type Name Spark Plug Top Material Type Metal Manufacturer Part Number PZFR6F-11