2012 F250 SD Crew Cab, 4x4 King Ranch. The dampers look good, ride well and take care of the lethal wobble. It is interesting to read the reviews. Complaint of having to climb under the truck several times. I have not received any information about the settings either. I don't understand the complaints about this. I found shock absorbers online, ordered them online from Revain and even paid for them online. Then I did the unthinkable, I found information about various settings on the Internet. Still, I went under the truck a few times to see what settings worked for me. What really sucks and I will complain is that no one was turned on to install them for me.