I have a set of firebird or trans am ram air III with automatic. These also came one 69 Grand Prix 428 H.O. Cars ( 390 hp version manual or automatic) I have also been told some late production GTO 400 cars with auto and a/c came with them too but I can not substantiate that. These heads have been cleaned and magged, they were inspected and no cracks were found by my local machine shop. Combustion chambers are free of pits and look great (excuse the dirty pics) I was going to use these on my 69 Trans Am, but I found a early May set which works better with the build date of my car. I WILL SHIP THESE HEADS! eBay shipping calculator is HUGLEY inaccurate so please message me or call/text me at 55932l4096 and I will work with you as best I can to get a shipping quote or if you need more pics. These are a great looking set of heads with only mild surface rust from sitting in my garage after I got em back from the machine shop. Thanks and best of luck!