I made my mounts out of some 1/2" plate and a piece of 2" square
Here's some things to consider when thinking coil overs.
decent pair are going to cost $500
i have 11" coil overs, but the travel is only 2" either way, that will beat you to death if your roads are iffy
You have to create an upper mount the stock shock mount is weak.
you have to remove stock bump stops, my QA1's have a bump stop built in
here's a couple more pics, i got a bunch of pictures if you want