Built to Original Equipment Specifications for Form, Fit & Function
Superior Quality
denso premium class iridium plug sold individually 14 mm thread19 mm reach 5/8 in. hex size gasket seat resistor type removableterminal iso height 0.4 mm iridium center electrode tapered cutu-groove ground electrode 0.044 in. gap designed with heavy dutyinsulator that provides unparalleled dielectric strength andthermal conductivity under extreme temperatures five-rib designprevents flashover while decreasing voltage loss copper glass sealbonds the center electrode and insulator together for a gas-tightseal platinum center electrode utilizes platinum to shrink thesurface area of the center electrode tip for maximum firingperformance and minimum voltage requirements platinum groundelectrode resists gas and electrical erosion and corrosionextending service intervals to 60 000 milesDenso Iridium Spark PlugStock #5304