I think the key element here is, "They weren't specific to the car" Just stop by one of the parts stores and get a set and save your receipt to take back just in case. Cars have been coming with these for decades and the manufacturers probably have them down fairly well by now. Why pay a shipping charge if not necessary. No need to turn wagon wheel technology into rocket science.Yes, I had a set a few years ago that practically bent the hood into a taco. They never loosened up. They weren't specific to the car. I've also seen different supports for fiberglass and steel hoods advertised for our cars.