CdnF150

I recently purchased some procomp prorunner leveling struts and rear shocks to replace the worn out factory ones, because they just weren't cutting it anymore. well I set the collar to the 2" over stock position and installed. now it seems my truck is back to stock height. I had daystar 2.5" leveling kit installed on my stock struts I was wondering if anyone has combined a leveling strut with a leveling spacer that mounts on the top of the strut? or if its even possible with out binding the front driveline? any thoughts are appreciated