Flatout's Composite gasket is the best one we've tested so far. We sell that one as part of an upgrade to the gasket sets.

For most stock applications, the FelPro shim-style is "ok" but it does not really match up to the ports very well. That one you can pick up at most stores where the guy behind the counter knows what he's doing. FelPro's part number for it is 90126. It also comes in a set, FelPro MS90126. Go to CarQuest and ask for it by that part number.