Rough country leafs clunk

I got 3.5 inch lifting leafs and I’m getting clunking in the rear when my truck flexes. Just pulling up on a curb will make a pretty noticeable clunk. They were professionally installed and torqued. Has anyone dealt with this issue at all? I’ve got under the truck and can’t find anything loose. No gas tank or u-bolts are loose. I’m at a loss

 

did you get longer shocks?

 

yeah I got 0-4 inch rear shocks

 

drive one tire at a time on the curb and see if its left or right or if it matters. check your shocks for security as well.

 

It’s a common thing with these leaf packs. I had rough country warranty mine out and send me a new set. New set began doing it too after 20k miles. Now every 2-3 months I just spray them with a little white lithium grease and the sound goes away.