Champion 8231 J6C Copper Plus Small Engine Spark Plug

The Champion J6C spark plug is a conventional spark plug with nickel alloy electrodes and a copper core center electrode that allows for increased conductivity and heat control. This Copper Plus spark plug is designed for small engine and marine applications, delivering dependable performance across a wide range of equipment.

Key Specifications:

• 14mm thread diameter with 1.25mm thread pitch
• 9.5mm (3/8") reach with gasket seat type
• 13/16" (21mm) hex size with removable nut terminal
• Pre-gapped at 0.030" (0.75mm)
• Heat range 6, non-resistor type
• Non-projected standard center electrode (2.5mm)

Installation Torque Specifications:

• Cast iron heads: 26-30 lb-ft
• Aluminum heads: 18-22 lb-ft

This spark plug is suitable for small engines, industrial/farm/agricultural engines, marine engines, chainsaws, blowers, chippers, weed trimmers, and various other powersports and outdoor power equipment applications. The nickel alloy construction provides reliable performance and durability for demanding operating conditions.