Cheapskate Plenum Gasket fix?

Seen this? If you already have the gaskets needed, this would work. I did the plate in the truck and I would not want to do it more than once. Good luck.
http://www.ebay.com/itm/ALUMINUM-PL...ash=item35fbb8a2ab:g:bjQAAOSwa-dWsCz6&vxp=mtr