Here is the new frame and axles that will be used for the JT wrangler pickup.
Some measurements posted (from later in thread):
Rear axle length:
67.9" (vs JK's 65.375")
Rear brake rotor size:
13.74 in
FRONT AXLE
OD: 2.756"
WALL THICKNESS: .285"
REAR AXLE
OD: 3.150"
WALL THICKNESS: .236"...