I am looking to install a 2 inch lift kit on my stock 94 wrangler YJ. I found a killer deal on a rubicon express all-inclusive kit, and downloaded the installation instructions to get an idea of what I'm looking at to put it on. There is a small note at the end of the instructions that says if excessive driveshaft vibration is experienced, you will need to purchase a slip yoke eliminator kit and cv driveshaft. Also, there is a transfer case lowering kit included with the lift kit, and this is an acceptable temporary solution. My questions are: What are the chances that I am going to have to spend another 5-600 bucks to fix a problem I have created? Is this warning more geared toward the taller lift kits? I have done quite a bit of research, and this is the first I've read about the transfer case lowering kit being "temporary". I'm not looking to build a rock crawler. I just want to refresh my tired old suspension and gain a little clearance for the 31" tires that are currently on it. Any input would be very much appreciated.