I reached out to ReadyLift the other day. This was the response:
Devin Watkins (ReadyLIFT)
Oct 10, 2022, 13:44 MDT
Thanks for reaching out,
We are working on getting a kit for the ZR2. It should be similar to the AT4/Trail boss but may be a few months before it is released.
Perfect for leveling your Silverado ZR2 this kit provides new upper control arms and bottom strut spacers to bring the front of your truck up 1". Features: Lifts front of truck 1" Upper Control arm provides 1” of additional travel compared to stock Track Width: Stock Maximum Backspacing: 4.75”...