Compare Maximum number of 4 items selected ACCEL Spark Plug Spark Plug - 8197 Part #: 8197 Line: ACC ACCEL Spark Plug Spark Plug 1 Year Limited Warranty Metallurgy: Copper Center Electrode Tip Material: Copper Heat Range: 7 Center Electrode Core Material: Copper Thread Reach (in): 0.375 Inch Resistor Plug: Yes Seat: Gasket Thread Size: 14mm Hex Size (in): 13/16 Inch Preset Gap (in): 0.035 Inch Show More Show Less