Champion CCH123 Copper Plus Small Engine Spark Plug RN5C

The Champion CCH123 (also known as RN5C) is a Copper Plus spark plug designed for small engines, lawn and garden equipment, and select powersports applications. This conventional resistor spark plug delivers dependable performance and durability for a wide range of applications.

Key Features:

• Copper core center electrode provides increased conductivity and precise heat control for extended service life
• Nickel alloy center and ground electrodes offer superior wear characteristics and corrosion resistance
• Built-in SAC-9 resistor ensures consistent performance and reduces electromagnetic interference
• Heat range 5 for optimal performance in various operating conditions
• Built to ISO and SAE standards for proven reliability
• Resists fouling even in challenging operating conditions

Specifications:

• Thread diameter: 14mm x 1.25mm pitch
• Reach: 19mm (3/4")
• Hex size: 21mm (13/16")
• Seat type: Gasket (flat seat)
• Gap: 0.024" (0.6mm)
• Terminal type: Removable nut
• Non-projected tip configuration

Installation Torque: Cast iron heads: 26-30 lb-ft | Aluminum heads: 18-22 lb-ft

Champion Copper Plus spark plugs have been trusted OE replacement plugs for decades, offering the confidence of dependable starts and reliable performance in small engines, lawn equipment, marine engines, and various powersports applications.