Compare Maximum number of 4 items selected NGK Iridium/Platinum Plug Number IZTR5B11 Spark Plug - 1465 Part #: 1465 Line: NGK NGK Iridium/Platinum Plug Number IZTR5B11 Spark Plug 1 Year Limited Warranty Seat: Tapered Thread Size: M14-1.25 Heat Range: 5 Hex Size (mm): 16mm Hex Size (in): 5/8 Inch Preset Gap (in): 0.044 Inch Preset Gap (mm): 1.1mm Thread Reach (in): 0.689 Inch Center Electrode Core Material: Copper Center Electrode Tip Material: Iridium Approximate Resistor Value (Ohm): 5000 Ohm Insulator Height (mm): 52.5mm Insulator Height (in): 2.070 Inch Ground Electrode Tip Material: Platinum Thread Reach (mm): 17.5mm Service Number: IZTR5B11 Metallurgy: Iridium/Platinum Show More Show Less