Making my own upper control arms

I dont know if it was stated before, but will these accept stock mopar ball joints? I see that you are also using 5204 coil overs and a 400 pound spring I believe. I know that you stated that you can use J bars which I have and I also have the inner fender brace. But I was wondering is the triangulated coil brace best along with the J bars? Or what is the optimal setup? And you feel that these are all good for a 1/2 street 1/2 track car right? Thanks John Appreciate all your work and time you take to answer my questions and others.