6 New NGK IRIDIUM IX Spark Plug BCPR6EIX # 5689
6 New NGK IRIDIUM IX Spark Plug BCPR6EIX # 5689, Iridium IX Plug, 14mm Thread Size, 19mm (3/4") Reach, 5/8" (16mm) Hex Size, Gasket Seat, Resistor, Solid Terminal Nut, JIS Height, Projected Tip, Fine Wire (0.6mm) Iridium Center Electrode, Tapered Cut Ground Electrode, .031" (0.8mm) Gap, Heat Range 6