Compare Maximum number of 4 items selected ACDelco Rapidfire Platinum Spark Plug - 10 Part #: 10 Line: ACD ACDelco Rapidfire Platinum Spark Plug 3 Year Limited Warranty Seat: Tapered Thread Size: M14 Heat Range: 12 Hex Size (mm): 16mm Hex Size (in): 5/8 Inch Preset Gap (in): 0.037 Inch Preset Gap (mm): 0.95mm Thread Reach (in): 0.440 Inch Resistor Plug: Yes Center Electrode Core Material: Copper Center Electrode Tip Material: Platinum Approximate Resistor Value (Ohm): 6000 To 15000 Ohm Insulator Height (mm): 59mm Insulator Height (in): 2.323 Inch Ground Electrode Tip Material: Nickel Thread Reach (mm): 11.2mm Metallurgy: Platinum Show More Show Less