Ordered them a while ago and had a hard time finding a shop to get them on for me. Most shops in my area require parts to be purchased from them. Fortunately for me, found a 4x4 shop that generous enough to install them for me.My 2015 4door jku came with the 3.21 factory gears which means I had to buy a front carrier. Was going to get a locker but did an open dif for now.Will try to update after i get my 4.88 gears in.

After lifting and installing bigger rims and tires my Jeep was sluggish and didn't get to speed quickly . After this swap it is much easier to get through all gears and get up to speed even on the highway.

It comes with Timken bearings and Spicer seals. It didn't come with the right seal for my dana 30 so I did have to buy a set separately wich was pretty annoying and don't come with axle bearings and output seals for dana 35 but the components that are there are good quality

Exactly what I ordered for my jku... ***beware the crush sleeve for the dana 30** I would highly recommend to start the pre crush of the sleeve using a shop press before installation and lube the threads otherwise you run the risk of stripping the threads on the pinion.. I advise to as well clean the treads on the pinion as well before installation and ensure the nut threads smoothly..