Mr. Gasket 7421G Solid Aluminum Collector Header and Muffler Gasket<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Designed to prevent exhaust leakage between header and collector flanges</li><li>Manufactured from high quality material</li><li>Features a 3-Inch inch diameter bolt hole</li><li>Highly durable</li><li>Facilitates hassle free installation</li></ul></div><img src="http://ecx.images-amazon.com/images/I/410lj6p%2B4QL.jpg" noproxy>