Mr. Gasket 7177C Copper Seal Collector Gasket<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>3-hole collector style</li><li>Inside diameter is 3"</li><li>Made of copper</li><li>3-7/8" bolt circle</li><li>3-7/8" bolt hole</li></ul></div><img src="http://ecx.images-amazon.com/images/I/419RyGt9DGL.jpg" noproxy>