Compare Champion Copper Plug Number RC10MCC Spark Plug - 347 Part #: 347 Line: CHP Champion Copper Plug Number RC10MCC Spark Plug 2 Year LIMITED WARRANTY Seat: Gasket Thread Size: M14 Heat Range: 10 Hex Size (in): 5/8 Inch Preset Gap (in): 0.030 Inch Preset Gap (mm): 0.75mm Center Electrode Tip Material: Copper Ground Electrode Tip Material: Nickel Service Number: RC10MCC Metallurgy: Copper Show More Show Less
Compare Champion Copper Plug Number RC12MCC4 Spark Plug - 439 Part #: 439 Line: CHP Champion Copper Plug Number RC12MCC4 Spark Plug 2 Year LIMITED WARRANTY Seat: Gasket Thread Size: M14 Heat Range: 12 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: RC12MCC4 Metallurgy: Copper Show More Show Less
Compare Champion Copper Plug Number RE14MCC4 Spark Plug - 570 Part #: 570 Line: CHP Champion Copper Plug Number RE14MCC4 Spark Plug 2 Year LIMITED WARRANTY Seat: Tapered Thread Size: M14 Heat Range: 14 Hex Size (in): 5/8 Inch Preset Gap (in): 0.045 Inch Preset Gap (mm): 1.15mm Center Electrode Tip Material: Copper Ground Electrode Tip Material: Nickel Service Number: RE14MCC4 Metallurgy: Copper Show More Show Less