MSD 8463 Distributor Vacuum Advance Mechanism<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replaced damaged or worn vacuum advance canisters</li><li>Not for use on HEI pro billet and Street Fire HEI models</li><li>Replacement vacuum advance mechanism for MSD distributor</li><li>Not for use on part number 8365 and 8362</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31WM70D42TL.jpg" noproxy>