Compare Maximum number of 4 items selected Motorcraft Copper Plug Number AGSP33CAX Spark Plug - SP445AX Part #: SP445AX Line: MOT Motorcraft Copper Plug Number AGSP33CAX Spark Plug 2 Year LIMITED WARRANTY Seat: Tapered Thread Size: M14 Heat Range: 275 Hex Size (mm): 16mm Hex Size (in): 5/8 Inch Preset Gap (in): 0.044 Inch Preset Gap (mm): 1.12mm Thread Reach (in): 0.748 Inch Center Electrode Core Material: Copper Center Electrode Tip Material: Nickel Approximate Resistor Value (Ohm): 3000 To 12000 Ohm Insulator Height (mm): 50.5mm Insulator Height (in): 1.988 Inch Ground Electrode Tip Material: Nickel Thread Reach (mm): 19mm Service Number: AGSP33CAX Metallurgy: Copper Show More Show Less