I would take the rubber pieces down to your local parts store and match up some new ones. You generally just need to match up the outside diameter, and they will interchange. Considering the amount of work to take it apart again, etc. as well as the safety factor, . I wouldn't recommend re-using the rubbers. The wheel cylinders, if they honed out good, should be fine, make sure you clean out the bleeder screws so they will work well when you go to bleed them. ...