A licensed mechanic installed it on my minivan so I could tow our boat. He filled them with 25 pounds of air. I was standing there talking and suddenly,,,,,fuuuuuu,,,,,, the van fell over. I blew the seals on both sides right in front of the mechanic. I wish I could contact the seller as I don't like writing bad reviews. Now I have to buy a kit locally and pay a mechanic to remove the shocks and replace them with others. I spent over $200 buying these shocks before I was done and couldn't evenβ¦