depending on the car u can get a lift kit in most any auto zone
Try and oxy-ace cutting torch. It's amazing how well it can remove metal from those troublesome fenders.
When you post car questions, we need to know what kind of car you are talking about, because their will be different options for different cars. Also any specifics that caused the problem.
It could be a broken shock or spring but have you changed tire sizes that could do it to