ngk bur9eqp, spark plug, laser platinum, gasket seat, 14mm thread, .750 in. reach, resistor, each rx for mazda

Surface Gap Plugs are Nearly Immune to Pre-Ignition, and Usually Require a Special High Energy Ignition System. They Can be Susceptible to Fouling, Especially in Colder Applications, but May be Necessary in High Compression Applications. Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties. Corrugated Ribs Prevent Flashover. Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer. Copper Core Aids in Heat Removal. Triple Seals Prevent Leakage. Plug Specifications: Thread Size: 14mm. Hex Size: 20.6mm. Reach: 21.5mm. Seat Type: Gasket. Gap: 1.4mm. Terminal Type: Solid. Resistor: Yes. Thread Pitch: 1.25mm.