I just put new rear springs and new u-bolts on my 2000 F-350. I notice that the right inner u-bolt has significantly more threads sticking out on one end. The other three u-bolts appear even. I torqued them all to spec (185 lb-ft) evenly and in increments. What would cause this, and is it any reason for concern?

 

It would seem those bolts weren't formed with equal length legs---as long as you have them torqued to spec that extra bit shouldn't be any problems.

 

Torque check them again after a few hundred miles, especially after any use that puts the suspension through the paces i.e. offroad. Make sure torque has stabilized, when a shop installs u bolts they reef them down to golly knows how many yard/tons with air tools, because nobody wants to bring their truck back a month later for torque checks.