[PK 77 911]

Are you sure you need calipers. Are they sticking? get him to put it on the hoist and show you the sticking calipers. That is the only reason you may need them. But then you can put a kit in them. I rebuilt mine. It was easy and I am no expert. I replaced all the old brake hoses as well. If this interests you. Get hold of me and I will pass along a couple of tips that I learned along the way that will save you some time and money.