You have the Bilstein 5100 P/N's you used for those? I suppose you stuck with the factory UCA's as well? And (one more question)... did you do the install or have a shop do it?2021 Z71 lifted with Bilstein 5100's set to the highest position (#6). It rides as good as factory if not better without rubbing. NITTO RECON GRAPPLER LT295 /60 R20