Compare Champion Copper Plug Number RER8MC Spark Plug - 445 Part #: 445 Line: CHP Champion Copper Plug Number RER8MC Spark Plug 1 Year Limited Warranty Seat: Gasket Heat Range: 8 Hex Size (mm): 16mm Hex Size (in): 5/8 Inch Preset Gap (in): 0.033 Inch Preset Gap (mm): 0.85mm Thread Reach (in): 1.043 Inch Center Electrode Tip Material: Copper Insulator Height (in): 0.140 Inch Ground Electrode Tip Material: Nickel Service Number: RER8MC Metallurgy: Copper Show More Show Less
Compare Champion Copper Plug Number RH8C Spark Plug - 538 Part #: 538 Line: CHP Champion Copper Plug Number RH8C Spark Plug 1 Year Limited Warranty Seat: Gasket Thread Size: M14 Heat Range: 8 Preset Gap (in): 0.025 Inch Preset Gap (mm): 0.64mm Center Electrode Tip Material: Copper Ground Electrode Tip Material: Nickel Service Number: RH8C Metallurgy: Copper Show More Show Less
Compare Champion Copper Plug Number RA8HC Spark Plug - 810 Part #: 810 Line: CHP Champion Copper Plug Number RA8HC Spark Plug 2 Year LIMITED WARRANTY Seat: Gasket Heat Range: 8 Hex Size (mm): 16mm Hex Size (in): 5/8 Inch Preset Gap (in): 0.025 Inch Preset Gap (mm): 0.64mm Thread Reach (in): 0.750 Inch Center Electrode Tip Material: Copper Insulator Height (in): 0.030 Inch Ground Electrode Tip Material: Nickel Service Number: RA8HC Metallurgy: Copper Show More Show Less
Compare Champion Copper Plug Number REA8MCX Spark Plug - 991 Part #: 991 Line: CHP Champion Copper Plug Number REA8MCX Spark Plug 1 Year Limited Warranty Seat: Gasket Heat Range: 8 Hex Size (mm): 14mm Preset Gap (in): 0.035 Inch Preset Gap (mm): 0.9mm Thread Reach (in): 1.043 Inch Center Electrode Tip Material: Copper Insulator Height (in): 0.120 Inch Ground Electrode Tip Material: Nickel Service Number: REA8MCX Metallurgy: Copper Show More Show Less