Our Pro Series Krawler Joint durability has been proven to be very awesome and we will not have you taking apart your joints every year to service them which means you have to take apart your vehicle. The housings come with a lifetime warranty as well.
The X Factor Kits as mentioned before are designed for JK's running flat fenders as all flat fenders that are available place the center of the wheel well arch approximately 1" further back so if you use conventional components the entire axle looks off and not centered!...
If you plan on running OEM fenders, we would recommend running one of our lesser systems or speaking to a dealer or wholesaler or us directly if you want a full 8 arm replacement, but want to run OEM fenders as we can accommodate for that situation. The percentage of people building JK's and running flat fenders is extremely high, we support the low cog mentality and the use of Flat Fenders, hence the existence of this system.
As far as coil bowing is concerned, we are one of the few companies that tries to address it in the systems. Most leave it out. When you lift any vehicle, you will have to rotate the rear pinion in order to get proper driveline angles. This rotates the bottom spring pad mount causing the top and bottom spring pads to be out of parallel which will cause spring bow. We supply a 10 degree correction wedge to try to address it for the masses. There are other solutions out there as dirt man has indicated and each person might have his or her own preferred method.
If the proper bump stops are used (like our offset fabbed units), and the track bar hardware is mounted in there front to back as stated in the instructions, contact will never occur and our rear track bars are designed to take the simple 1" offset which is less than 3 degrees on a bushing (1/40) with no problem. When people try to use our x factor arm package and do not consider all the variables as we have, of course there can be issues, but all of which are easily rectified.
Our Triple Rate Coils are well dialed in and not over stressed so they are very resistant to fade over time...
The control arms in our systems are made from solid alloy steel and guaranteed for life. What are they being compared against?
No matter what you choose, good luck with your build. Choose the product that is best for you and your build.
Last edited by Rock Krawler Suspension; 11-28-2014 at 10:07 AM.