I've done a lot of searching for this but haven't been able to find an answer yet... someone local to me has a set of springs, shocks, and lower control arms that were removed from his 2018 JLU Rubicon. Would these work on a JKU? Mainly I'm wondering about the springs and shocks. I would be surprised if the control arms worked and I doubt there would even be any advantage if they did, other than being new.

Thanks.