The F9 fabricated 9" rearend assembly for the 2007 and up Jeep JK includes the complete housing with the Hi-Form 50 steel housing center, 3" x .250" wall d.o.m. steel tubes, and custom housing ends that accept set 80 axle bearings (over 50% greater capacity than stock) and allow for all factory disc brake hardware and ABS and ESP sensors to bolt back on. All new heavy duty Currie Jeep JK suspension brackets are mounted and feature multiple control arm mounting holes, multiple trac bar mounting holes, and adjustable shock mounting holes. Also included are the Currie performance forged alloy 35 spline axle shafts that are dual drilled with the stock JK 5 on 5" wheel bolt pattern as well as the 5 on 5 1/2" wheel bolt pattern. Unit s 66" wide overall. Axles feature wheel studs, ABS tone rings, and axle bearings pressed on, as well as the bearing retainer plates. The only parts needed to complete this unit is a 9" high or low pinion 3rd. member, and assembly of the unit! Your JK's stock rotors, calipers, and caliper mounting brackets transfer over! This unit is 66" wide.