NO headeache at all, it just takes some time and dedication if your are doing this on your own. The Old man stuff is great and havent seen or heard of anything bad from them. Putting spring and coils are not hard at all just need a couple of simle tools if no air tools are available. spring compressor and jack/jack stands You are not going big on lift you would be getting 2 inch. But that is significant appearance change, but no cause for concern on Rollover... no worries. I have had my E pretty side ways on street and back roads and never a care for rollover. Even in my old 98 Ranger I had a wicked 5 inch lift on it and same thing, I had no concern for rollover and even worse cause that was my baja machine. OH and the CV joints, little to no concern but once again your only going 2 inches if you were to go over 4 then there would be a huge cause of conern.
Good Luck in your lift.
Good Luck in your lift.