Compare Champion Copper Plug Number QL78C Spark Plug - 883 Part #: 883 Line: CHP Champion Copper Plug Number QL78C Spark Plug 2 Year LIMITED WARRANTY Seat: Gasket Thread Size: M14 Heat Range: 78 Hex Size (mm): 20mm Hex Size (in): 13/16 Inch Preset Gap (in): 0.030 Inch Preset Gap (mm): 0.76mm Thread Reach (in): 0.500 Inch Center Electrode Tip Material: Nickel Ground Electrode Tip Material: Nickel Service Number: QL78C Metallurgy: Copper Show More Show Less
Compare Champion Copper Plug Number QL78C Spark Plug - 883-1 Part #: 883-1 Line: CHP Champion Copper Plug Number QL78C Spark Plug 1 Year Limited Warranty Seat: Gasket Thread Size: M14 Heat Range: 78 Hex Size (mm): 20mm Hex Size (in): 13/16 Inch Preset Gap (in): 0.027 To 0.033 Inch Preset Gap (mm): 0.69mm To 0.84mm Thread Reach (in): 0.500 Inch Resistor Plug: Yes Center Electrode Tip Material: Nickel Ground Electrode Tip Material: Nickel Service Number: QL78C Metallurgy: Copper Show More Show Less