This premium spark plug set is engineered for 3.0L Mercury outboards, featuring a durable stainless steel housing to resist corrosion in the saltwater environment. The copper core electrode ensures high conductivity and efficient heat removal, allowing your engine to run strong from startup to dock. Validated for marine use, these plugs deliver the reliability needed for long-distance operation.
- Fits Mercury 3.0L outboards; compatible with QL77CC
- Copper core aids in heat removal and provides high conductivity
- Stainless steel housing resists corrosion and oxidation
- Engineered for maximum lifespan and long-lasting performance
- Includes six (6) high-quality marine spark plugs
