I am selling this Power Brake Booster. I can not tell you for sure what year or application this booster is used for. It looks new, but it is untested and not in a box. I came accross it from a LOT I bought from a restorer of Big Block Mustangs, so I am assuming it was for those types of Shelby, Boss, CJ cars. This person also had  some race cars so it may have that application. The adapter place is stamped Trand Am Racing.. Sold as is for a very fair price.