My old car was all UPR suspension. Worked very well.
You can reuse the bolts that go in the back by the subframe, but you will need new ones for the a arms, and prolly the frame ones too. They are usually pretty rusted unless the car is really rust free.
It's a pretty straight forward exchange, definately a worthwhile upgrade. Lighter by 70 lbs. And makes working on the car much easier.