Lorne:
Will take the ugly air bags off your hands. Will even pay shipping.
Seriously though, they have an internal bump stop in them incase of blowout. Would love to have them on the Caddy with some good conventional shocks. Two years on a set of AC Delco airshocks and their done. Need the air for towing and those are the good ones. The cheapy ones (inside the spring) just won't cut it. Blew two sets of them. If your running any load at all, make sure you don't exceed 75lbs. Any decent bump will push them over their rated 100PSI, and always keep at least 5 lbs. in them. Got my money back but had to re-install the airshocks.
Let me know.
Bill