Tuff Country uni-ball upper control arms for 2021–2023 Ford F-150 4x4 use Teflon-lined uni-balls to improve articulation and durability compared with standard ball joints. Made for 2–4 in. lifts, they include poly bushings, Zerk fittings for lubrication and FK uni-ball joints. These arms correct geometry, improve handling, require aftermarket wheels with 5 in. backspacing or less, and carry a limited lifetime warranty.
Tuff Country 21-23 Ford F-150 4x4 Uni Ball Upper Control Arms