Proportioning Valve: 78-82 CorvetteBrand new .. regular correct brake parts. May come in brass colour or Alloy. This lists for correct fitment for the 78 82 Corvette Read below also.. and order the #PVTOOL if needed.. and if you don't have one . you will need this small part.. or your mechanic willl or it will be stuffed up most likely on bleeding it.. its NOT the same as a Holden.. . Delivery included as normal if paid and finalised on line.