
Rock Jock Johnny Joint Rear Control Arm Set, Double Adjustable (Aluminum with Rocknuts)
RockJock’s Johnny Joint Billet Aluminum RockNut Rear Control Arm Set for all 2021-up Broncos provides you with extremely heavy duty, adjustable length control arms to replace your factory control arms. Adjustable Control Arms are a must for aligning lifted vehicles to get your pinion angle specs. in check and our double adjustable design allows you to easily adjust the length of the arms without removing either end from the vehicle! These arms are CNC machined from 7075-T6 aluminum, feature our patent pending RockNut locking nut technology and our 2 1/2 in. Johnny Joints with massive 1 1/4 in. RH/LH threads! Johnny Joints, the original and most durable high-articulation urethane suspension joint on the market, feature a smooth steel ball that pivots inside a proprietary urethane shell to provide over 30 degrees (per joint) of quiet, shock dampening articulation - without the excessive deflection found in soft rubber-based flex joints. Johnny Joints deliver a smooth, comfortable on-road