porterbuilt crossmember stoppers

[moes64gmc]

I would like too know if any one has put stoppers to keep wheels from hit and rubbing inner fender wells do not want to remove them. i made cups that when the truck was layed out the bags where perfect but when aired up the bag was bulging out not good Ive got porterbuilts crossmember .ART control arms and firetone bags, need some ideas i am at a standstill. thanks moe.