Spark Plug Champion J8C - Crown

The Champion J8C Spark Plug is a Copper Plus spark plug designed for small engines and power sport applications. Here are its key specifications:

• Part Number: 841-1
• Thread Size: 14mm
• Thread Reach: 0.375 inch
• Hex Size: 13/16 inch (20mm)
• Heat Range: 8
• Seat Type: Gasket
• Preset Gap: 0.027 to 0.033 inch
• Resistor Plug: No
• Center Electrode Tip Material: Nickel-Copper Alloy
• Ground Electrode Tip Material: Nickel
• Design: Standard
• Applications: Small engines, lawn equipment, and similar machinery
• Durability: Resists fouling and corrosion, built to ISO and SAE standards