Champion CCH941M Copper Plus Marine Spark Plug QL77CC

The Champion CCH941M (QL77CC) is a conventional copper plus spark plug designed for reliable performance in marine engines and small power equipment. This resistor-type spark plug features nickel alloy electrodes and a copper core center electrode that delivers increased conductivity and superior heat control for extended plug life.

Key Features:

• Copper core center electrode for enhanced conductivity and heat dissipation
• Nickel alloy center and ground electrodes provide excellent wear characteristics
• Resistor design suppresses radio frequency interference (RFI) to protect sensitive electronics
• Triple-coated shell offers superior corrosion resistance in harsh marine environments
• Triple-seal assembly for maximum reliability and longevity
• Precision rolled threads conform to all manufacturers' specifications
• Heat range 77 for optimal performance
• Made in USA

Technical Specifications:

• Thread size: 14mm with 1.25mm pitch
• Reach: 12.7mm (1/2 inch)
• Hex size: 13/16 inch (21mm)
• Seat type: Gasket
• Gap: 0.035 inch (0.9mm)
• Terminal type: Solid
• Center electrode: 2.5mm nickel, non-projected
• Resistor: Yes, inductive type

Compatible with Mercury Marine, Mariner, Suzuki, Nissan/Tohatsu, and Yamaha marine engines. Torque specifications: 26-30 lb-ft for cast iron heads, 18-22 lb-ft for aluminum heads.