NGK 4644-4PK BKR7E Standard Spark Plug， Box of 4<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Solid copper core for greater spark</li><li>Longer insulator nose prevents fouling</li><li>Corrugated ribs on insulator prevents flashover</li><li>Zinc dipped shell prevents corrosion</li><li>Triple gasket seal eliminates combustion gas leakage</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31TQ6gJ5Y4L.jpg" noproxy>