What do i need to support 4:10's for 93 LX

Right on Sierra. Nice to see you a girl modding her Mustang for once. You really don't have to do anything to the transmission to support the 4.10s. Although a shift kit, and maybe a higher stall converter would definitely benefit you. Nothing major...just a 2,000 or maybe 2,200 rpm stall converter for your auto trans. As for the headers...the long tubes will give you a little more power & sound better. But they are more money, and I believe you, or the people that install them for you...will have to relocate your oxygen sensor. This is because the long tube headers are obviously different, and longer than the stock exhaust manifolds. Personally, I'd save some money and go the easy route with some unequal length shorty headers. Oh, and a cam will do nothing for your car as long as you have the stock cylinder heads & manifold. If you ever get around to upgrading the heads & manifold...that would be the time for a cam. Hope this helps some.