I had this same problem when I was doing it but I also had to small of a jack and it was maxed out just short of what I needed. I just wrestled the shit out of them and they came off. Try loosening the mount towards the rear of the Jeep as well.
97 Wrangler SE 87k miles
2.5" Sky Jacker lift, shocks, control arms
SB XRC bumpers, tire carrier, rock sliders, x20-8 winch