tacollie
Glamper
I pulled my air dam off. I never measured it. The shock mounts are flush with the bottom of the diff.I think the air dams must be exempt, because they hang down really low on some trucks. The rear diff and shock mounts are low on the F250, but I don't if that is the low point. The shock mounts bug me... ordinarily you can "place" big rocks between the center and wheel, but on the F250 those shock mounts are hanging down right there! Montypower showed how to shorten them, though.