I have this in a 2011 Chrysler Town & Country that I use to take a road bike that's hung on a hitch receiver. The bike weighs about 260 pounds due to the heavy weight on the tow receiver. I got a custom heavy duty tug and used these air springs to take up the spring sag I had hanging the bike up. At 30psi I can carry a bike, 5 people and gear and it rides great. Don't forget to drop the pressure to 5-10psi when unloaded or driving in a very stiff van.