Recently purchased a 2014 PRO-4X, anyone running the Firestone suspension air bags with the 3" Rough Country lift? From what I am gathering the air bags rest on top of the axle so with the lift block under the springs I would need something under the air bag bracket as well? Or am I missing something? I am looking at the lift for clearing 305/65R18s and the air bags for assist with towing my camper. Thanks in advance!