Compare Champion Industrial Spark Plug - 1225 Part #: 1225 Line: CHP Champion Industrial Spark Plug 1 Year Limited Warranty Seat: Flat Thread Size: 18mm Heat Range: 82 Hex Size (mm): 22mm Hex Size (in): 7/8 Inch Preset Gap (in): 0.012 Inch Preset Gap (mm): 0.305mm Thread Reach (in): 0.500 Inch Resistor Plug: Yes Center Electrode Tip Material: Iridium Ground Electrode Tip Material: Platinum Show More Show Less
Compare Representative Image Champion Industrial Spark Plug - 566 Part #: 566 Line: CHP Champion Industrial Spark Plug 1 Year Limited Warranty Seat: Flat Thread Size: 18mm Heat Range: 82 Hex Size (mm): 22mm Hex Size (in): 7/8 Inch Preset Gap (in): 0.015 Inch Preset Gap (mm): 0.381mm Thread Reach (in): 0.531 Inch Resistor Plug: No Center Electrode Tip Material: Nickel Ground Electrode Tip Material: Nickel Show More Show Less
Compare Representative Image Champion Industrial Spark Plug - 582 Part #: 582 Line: CHP Champion Industrial Spark Plug 1 Year Limited Warranty Seat: Flat Thread Size: 7/8 Inch Heat Range: 82 Hex Size (mm): 24mm Hex Size (in): 15/16 Inch Preset Gap (in): 0.011 Inch Preset Gap (mm): 0.29mm Thread Reach (in): 0.625 Inch Resistor Plug: Yes Center Electrode Tip Material: Nickel Ground Electrode Tip Material: Nickel Show More Show Less
Compare Representative Image Champion Industrial Spark Plug - 877 Part #: 877 Line: CHP Champion Industrial Spark Plug 1 Year Limited Warranty Seat: Flat Thread Size: M10 Heat Range: 82 Hex Size (mm): 14mm Preset Gap (in): 0.020 Inch Preset Gap (mm): 0.52mm Thread Reach (in): 0.312 Inch Resistor Plug: No Center Electrode Tip Material: Nickel Ground Electrode Tip Material: Nickel Show More Show Less