Denso IT16 Iridium Spark PlugStock #5325

Denso IT16 Iridium Spark PlugStock #5325

denso premium class iridium plug sold individually 14 mm thread 18 mm reach 5/8 in. hex size tapered seat resistor type removable terminal 0.4 mm iridium center electrode tapered cut u-groove ground electrode 0.044 in. gap; designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures; five-rib design prevents flashover while decreasing voltage loss; copper glass seal bonds the center electrode and insulator together for a gas-tight seal; platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements; platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60 000 miles