Description
RockJock’s RockNut Billet Aluminum Johnny Joint Control Arm Set for the 2021-up Bronco provides you with extremely heavy duty upper and lower, adjustable length control arms to replace your factory control arms. Adjustable control arms are a must for alig
- Adjusters feature 1 1/4 in.-12 RH and LH threads.
- Factory hardware is retained to attach arms to the axle and the chassis.
- Johnny Joint ends are fully rebuildable – should the need arise.
- Lower Arm RockNuts require a 1 7/8 in. wrench
- Lower Arm wrench flats require a 1 3/4 in. wrench.
- Lower arms are fabricated from 2 in. solid 7075-T6 aluminum bar.
- Upper Arm RockNuts require a 1 3/4 in. wrench
- Upper Arm wrench flats require a 1 1/2 in. wrench.
- Upper arms are fabricated from 1 5/8 in. solid 7075-T6 aluminum bar.
