Rulerzigzag nothing other than the springs and shocks. I am debating between a torsion sway bar and regular disconnects, but since I am not really pushing her right now the stock sway bar links are fine and still within acceptable specification, according to my Jeep dealer. I do plan on building up to a full flex system in the future with larger tires and flat fenders. It is true what they say that once you are bitten by the mod bug you cannot stop. On another note I was parked next to a JKU while on vacation running a budget 3" system and 35's. I sat nearly as high, with maybe an 1 inch difference in overall height.