Originally Posted by Cuerva

It's not your shocks. Axlewrap is very common with flipkits cause the bottom leaf spring is not really being used. You need tractions bars or helper springs. A quick/cheap solution and it works cause that's what I had is to use some polyurethane bumpstops from Autozone (about $10) on the front of the bottom leafsprings to where the bumpstop touches the second leafspring, you may have to cut some off the bushing depending on your gap.