Compare Maximum number of 4 items selected Autolite Copper Core Spark Plug - 2892 Part #: 2892 Line: ATO Autolite Copper Core Spark Plug 1 Year Limited Warranty Seat: Flat Thread Size: M14-1.25 Heat Range: 15 Hex Size (in): 13/16 Inch Thread Reach (in): 0.500 Inch Resistor Plug: No Center Electrode Core Material: Copper Center Electrode Tip Material: Nickel Approximate Resistor Value (Ohm): 1 Ohm Insulator Height (mm): 55.8mm Insulator Height (in): 2.197 Inch Ground Electrode Tip Material: Nickel Thread Reach (mm): 13mm Metallurgy: Copper Show More Show Less