Overview:Adjustable rear control arms engineered for the 2003–2021 4Runner, FJ Cruiser, and Lexus GX platforms. Built for lifted rigs needing precise axle alignment, increased articulation, and long-term durability without added maintenance.– Upper arms feature a true double-adjustable design for fine tuning post-install– Lower arms use offset joints for improved clearance at full droop– Full Johnny Joint® construction eliminates squeaks and increases articulation– Thick-wall DOM tubing resists bending under trail load– Machined flats make on-truck adjustment straightforward– Powder-coated finish resists corrosion and abrasion Specifications:– 1.625" DOM steel lower arms, 1.0" DOM steel upper arms– Upper arms: Double-adjustable with 3" of adjustment range– Lower arms: Offset joint on axle side for clearance– Johnny Joints® (sealed and greaseable) at all ends– Textured black powder coat finish with etched Opt logo– Compatible with OEM hardware Fitment:2003–2021 Toyota 4Runner2007–2014 Toyota FJ Cruiser2003–2021 Lexus GX 470 / GX 460 Notes:Sold as pairs or a discounted full set. Hardware not included—designed for use with factory bolts. Lower arms include one narrow and one wide Johnny Joint® to balance articulation and mount cushioning. Reinforcement of lower link mounts recommended for aggressive off-road use. Downloads:Install Video – Timmy the Toolman (3rd Gen 4Runner Kit)