They will fit, see links below
https://www.zpost.com/forums/showthread.php?t=541566
https://www.zpost.com/forums/showthread.php?t=1172708
In regards to height, most brackets utilizing a slider are going to be close to stock height. Without the slider you can really get low (BK or otherwise) - may create an interference with the door cards however. There are a few folks that have tried the Planted Brackets, not sure how that height stacks up