Champion QL78YC Marine Spark Plug

Champion marine spark plugs are quality OEM replacements. The Champion QL78YC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark plugs are designed to resist overheating under heavy engine loads.

• Resists fouling
• Superior corrosion resistance
• Dependable and proven performance
• Increased conductivity and heat control for good overall wear

Champion Spark Plug # 938M

Specifications:

• Hex size: 13/16"
• Preset Gap: 0.025" - 0.640"
• Thread Reach: 0.500"
• Electrical Terminal Type: Non-removable nut
• Ground Electrode Core Material: Nickel
• Center Electrode Tip Material: Nickel