I belive they say the stock brake master cylinder has to be replaced also, the price really starts to add up. They also recommend roller bearings instead of the round bearings if you are using power steering. I think if you were going to do a lot of highway driving and like to go 70 mph, I would go with the clip. Otherwise, just do the disc conversion. I'm really happy with the way they stop, and it's one less thing to worry about.
