Champion Copper Plus Spark Plug - 821, L77JC4, CCH821-1

Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

FEATURES

• Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
• Copper Plus - Dependable Performance and Durability
• Copper core center electrode allows for accurate control of heat range for longer life
• Superior corrosion resistance
• Built to ISO and SAE standards for proven performance.
• Seat: Gasket
• Thread Size: M14
• Heat Range: 77
• Hex Size (mm): 20mm
• Hex Size (in): 13/16 Inch
• Center Electrode Diameter (in): 0.100 Inch
• Preset Gap (in): 0.027 To 0.033 Inch
• Thread Reach (in): 0.500 Inch
• Resistor Plug: No
• Ribbed Core Nose: No
• Center Electrode Tip Material: Nickel-Copper Alloy
• Ground Electrode Tip Material: Nickel-Copper Alloy