Editorial Reviews:
Synopsis
NGK Iridium IX Plug, 12mm Thread, 19mm (3/4") Reach, 11/16" (18mm) Hex Size, Gasket Seat, Resistor, Stud Terminal, Projected Tip, Fine Wire (0.6mm) Iridium Center Electrode, Tapered Cut Ground Electrode, .035" (0.9mm) Gap, Heat Range 8. NOTE: Does not include terminal nut
