Ok so right now I have a new 3" aal I got off craigslist that gives me a sizable lift in the back which is fine but up front I have some used 2" coils and 1.75" spacers and the coils sag pretty bad. The front looks much lower than the back. I'm thinking about putting in new 3" or 3.5" coils up front. If I did this what would I need? New front lower control arms and adjustable track bar?

I already have new shocks all around for a 3" lift

You might have to get an SYE or a tcase drop, but lift it first and decide later

Haha I have already lifted it.. Maybe I worded my question poorly but yes I have shimmed and put on a tcase drop and have no vibes. The problem is that the front is lifted a little less than 3" and the back a little more than 3" and there is a noticable difference which I don't like. This is because I got various parts of my lift from various places. I want to know if I will need front lower control arms and an adjustable track bar if I put 3.5" coils in