Compare Maximum number of 4 items selected Champion Copper Plug Number RG6YC Spark Plug - 977 Part #: 977 Line: CHP Champion Copper Plug Number RG6YC Spark Plug Manufacturer's Defect Warranty Seat: Gasket Heat Range: 6 Hex Size (mm): 16mm Hex Size (in): 5/8 Inch Preset Gap (in): 0.030 Inch Preset Gap (mm): 0.75mm Thread Reach (in): 0.750 Inch Center Electrode Tip Material: Copper Insulator Height (in): 0.060 Inch Ground Electrode Tip Material: Nickel Service Number: RG6YC Metallurgy: Copper Show More Show Less
Compare Maximum number of 4 items selected Representative Image Champion Copper Plug Number RG4HC Spark Plug - 309E Part #: 309E Line: CHP Champion Copper Plug Number RG4HC Spark Plug 2 Year LIMITED WARRANTY Seat: Gasket Heat Range: 4 Hex Size (mm): 16mm Hex Size (in): 5/8 Inch Preset Gap (in): 0.029 Inch Thread Reach (in): 0.750 Inch Center Electrode Tip Material: Nickel Insulator Height (in): 0.030 Inch Ground Electrode Tip Material: Nickel Service Number: RG4HC Metallurgy: Copper Show More Show Less