Compare Champion Copper Plug Number RE16MC Spark Plug - 443 Part #: 443 Line: CHP Champion Copper Plug Number RE16MC Spark Plug 2 Year LIMITED WARRANTY Seat: Tapered Thread Size: M14 Heat Range: 16 Hex Size (in): 5/8 Inch Preset Gap (in): 0.041 Inch Preset Gap (mm): 1.05mm Center Electrode Tip Material: Copper Ground Electrode Tip Material: Nickel Service Number: RE16MC Metallurgy: Copper Show More Show Less
Compare Champion Copper Plug Number RE14MCC5 Spark Plug - 470 Part #: 470 Line: CHP Champion Copper Plug Number RE14MCC5 Spark Plug 2 Year LIMITED WARRANTY Seat: Tapered Thread Size: M14 Heat Range: 14 Hex Size (in): 5/8 Inch Preset Gap (in): 0.049 Inch Preset Gap (mm): 1.25mm Center Electrode Tip Material: Copper Ground Electrode Tip Material: Nickel Service Number: RE14MCC5 Metallurgy: Copper Show More Show Less