Champion CCH933M Copper Plus Marine Spark Plug QL86C

The Champion CCH933M (QL86C) is a Copper Plus marine spark plug designed for reliable performance in marine engines and small engine applications. This spark plug features Champion's proven copper-core technology and marine-grade construction to withstand the demanding conditions of marine environments.

Key Features:

• Copper-core center electrode for improved heat dissipation and conductivity
• Patented Ultraseal coated shell for maximum corrosion resistance in marine environments
• Patented SAC-9 semiconductor resistor for RFI/EMI suppression
• Q-type inductive suppressor with low resistance characteristics ideal for CD ignition systems
• M14 x 1.25 thread size with 12.7mm reach
• 0.8mm (0.031 inch) electrode gap
• 21mm hex size for easy installation
• Single ground electrode with gasket seat design

This spark plug provides excellent protection against radio frequency interference commonly experienced with marine electronics such as depth finders, GPS units, and ship-to-shore radios. The copper-core design ensures consistent performance, easy starting, and reliable ignition across a wide range of operating conditions. Suitable for marine engines, ATVs, motorcycles, snowmobiles, and various small engine applications.