[Vehicle Fitment-2]: Compatible with Mazda B2300 2008-2010 L4 2.3L, Tribute 2005-2006/2008 L4 2.3L; Compatible with Triumph Herald 1960-1961 L4 0.9L; Compatible with Mercury Mariner 2005-2008 L4 2.3L --- It comes with 4x Iridium & Platinum Spark Plugs
[Specifications]: ① Center Electrode Tip Material: Iridium; ② Center Electrode Core Material: Platinum; ③ Ground Configuration: Standard; ④ Hex Size: 0.63; ⑤ Insulator Height: 2.07
[Engineered for Longevity]: For optimal engine performance and longevity, it is recommended to replace platinum iridium spark plugs at mileage intervals of 80,000 to 100,000 miles