That website doesn't work but there are only a few places that actually make the panels and most other than AMD are made from thinner material (Goodmark, Sherman, etc). Anyone selling panels cheaper than most are selling one of these 2 brands which they bought wholesale and are trying to pedal. Not saying they won't work but they are generally not super great quality, but with that said ALL OF THEM generally require some work to make fit well. These cars were not well built when new and after 40+ years of being beat on things have moved around. Its possible that you could get lucky but not probable.