This totally complete RockJock® 60 VXR full floating rearend increases your rear differential strength and will bolt directly into your JK Wrangler! Includes 5.38 gears and an ARB Air Locker. For use with up to 42" tires! NOTES: This unit features the 5 on 5 1/2" wheel bolt pattern and includes a complete, new JK rear disc brake kit! Stock ABS components will bolt right on! Unit is 68.75" wide.