Compare Champion Copper Plug Number J6C Spark Plug - 823 Part #: 823 Line: CHP Champion Copper Plug Number J6C Spark Plug 2 Year LIMITED WARRANTY Seat: Gasket Thread Size: M14 Heat Range: 6 Hex Size (mm): 20mm Hex Size (in): 13/16 Inch Preset Gap (in): 0.030 Inch Preset Gap (mm): 0.78mm Thread Reach (in): 0.375 Inch Center Electrode Tip Material: Nickel Ground Electrode Tip Material: Nickel Service Number: J6C Metallurgy: Copper Show More Show Less
Compare Champion Copper Plug Number J6C Spark Plug - 823-1 Part #: 823-1 Line: CHP Champion Copper Plug Number J6C Spark Plug 1 Year Limited Warranty Seat: Gasket Thread Size: M14 Heat Range: 6 Hex Size (mm): 20mm Hex Size (in): 13/16 Inch Preset Gap (in): 0.028 To 0.033 Inch Thread Reach (in): 0.375 Inch Resistor Plug: No Center Electrode Tip Material: Nickel Ground Electrode Tip Material: Nickel Service Number: J6C Metallurgy: Copper Show More Show Less