This is an original GM Delco Moraine Disc Brake Booster for 69 Chevelle SS Beaumont SD 396 CARS-with front disc brakes # 9391 date code 285.The booster was completely disassembled,plated in gold zinc and professionally rebuilt. The master was taken apart and professionally rebuilt as well as the metering valve. The brake line is brand new as well as the bleeder valves. Cast iron parts were degreased,primed and painted with cast iron grey paint. Booster has correct upside down DELCO MORAINE stamped in the face. NOTHING REPO HERE! rear plastic boot on the booster is new as well. This is a bolt on unit .It is not perfect-but it is super nice as it did have some very minor pitting in places-but again it's minor.$350 plus shipping