Compare Maximum number of 4 items selected Bosch Fine Wire Double Iridium Spark Plug - 9601 Part #: 9601 Line: BOS Bosch Fine Wire Double Iridium Spark Plug 7 Year Limited Warranty Seat: Tapered Thread Size: M14 Heat Range: 9 Hex Size (mm): 16mm Preset Gap (in): 0.060 Inch Preset Gap (mm): 1mm Thread Reach (in): 0.690 Inch Resistor Plug: Yes Center Electrode Core Material: Nickel-Yttrium Copper Alloy Center Electrode Tip Material: Iridium Approximate Resistor Value (Ohm): 6000 Ohm Insulator Height (mm): 24mm Ground Electrode Tip Material: Iridium Thread Reach (mm): 17.5mm Metallurgy: Double Iridium Show More Show Less