Feature 1APPLICABLE FOR: This spark plug is designed for 2 stroke 15HP outboard engine, easy to install. 2IMPROVE PERFORMANCE: Marine engine spark plug can help the engine work and provide excellent idle stability and smoothly performance. 3HIGH PERFORMANCE: The outboard engine spark plug has high melting point, high fuel consumption and more economical fuel use. 4ALUMINUM ALLOY MATERIAL: Made from aluminum alloy material, the sparking plug has high strength and is light weight, more stable. 5IDEAL SUBSTITUTE: Spark plug is small in size and easy to carry. You can directly replace old or damaged original part, which is very practical.SpecificationItem Type: Outboard Engine Spark PlugMaterial: Aluminum Alloy .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xOutboard Engine Spark Plug