Product Overview
Spark Plug 406

Keep your marine engine purring like a kitten with the Champion Spark Plug 406. This dependable, high-performance spark plug is engineered for smooth, efficient combustion, delivering the reliable starts and consistent power you need on the open water. Built with durable materials and designed to resist corrosion, the Champion 406 ensures long-lasting performance, minimizing maintenance and maximizing your time enjoying your boat.
Key Features
- **Copper Plus Technology:** The copper core center electrode provides superior heat control and conductivity, extending spark plug life and optimizing engine performance.
- **Corrosion Resistant:** Designed to withstand the harsh marine environment, inhibiting corrosion for reliable and long-lasting operation.
- **Dependable Performance:** Experience smooth idling, quick starts, and consistent power delivery for a worry-free boating experience.
- **Precise Engineering:** Built to exacting ISO and SAE standards, ensuring proven performance and compatibility.
- **Optimal Heat Range:** The copper core electrode allows for accurate control of the heat range, contributing to efficient combustion and preventing overheating.
- **Durable Construction:** Featuring platinum and metal construction for maximum durability and long service life.
- **Easy Installation:** Standard M14x1.25 thread size with a 16mm wrench size makes installation quick and straightforward.
What's in the Box
- Champion Spark Plug 406
Specifications
The Captain's Take
After years of battling unreliable ignition systems, I switched to Champion 406 spark plugs and haven't looked back. These plugs deliver consistent performance, even in challenging conditions. They're durable, resist corrosion, and provide the smooth, reliable power I need to get my charter clients where they need to go. I highly recommend the Champion 406 for any boater looking for dependable ignition performance.