I needed one bottom spring, the first inboard "s" spring. Its roughly 18-20" long. One, maybe 2, of the upper bucket support springs. Looks almost like a "U". That one I pretty much can't find. I didn't think it was the same as the lower side support springs.
That was pretty much it. Both seats were in surprisingly good shape.
If you have it great, if not that ok too...however it would be cool if you had the uppers