Re: tubed upper a-arms
All an aftermarket UCA is going to do is provide clearance of the coilbucket when the shock droops out. Thats why us with lifts and go offroad a lot get aftermarket UCA's. Because when that shock droops all the way down, we want max clearance. Hope that helps.
New Ride: 2010 Nissan Pathfinder SE 4WD
Gone but not forgotten: 2004 Nissan Titan