Well you don't have much of a choice as all of the other unions between fuel lines are some thread, flare angle and configuration that you will NOT find in this country.

Here is the toyota test kit for fuel pressure: http://toyota.spx.com/detail.aspx?id=249 Once you get the plumbing you can use any fuel pressure gauge for efi (harbor freight?)

I just looked in the parts list for the truck, there is no information given there which will help identify the thread size of the banjo bolts that are in there.