99 fuel pressure regulator

what parts are required to change fuel pressure regulator? gaskets, etc...
thanks
any tips? its a 99 tahoe 5.7

You already have a post running on it.
Better to use only one post.
http://www.automotiveforums.com/vbulletin/showthread.php?t=687453

You'll need an upper intake gasket I believe, but if your going to be doing that you might as well change out the lower intake gasket too. The old gaskets are pieces of shit.

thanks, lower was changed a year ago