Proprietary Heavy-Duty High-Angle Ball Joint - Delivers increased strength and pivot angle for greater wheel travel in lifted applications without sacrificing ride quality.; Tab and slot boxed 4130 chromoly plate steel design increases overall strength and durability.; New ReadyLIFT TCT (Terrain Control Technology) pivots are maintenance-free and self-lubricating.; TCT pivots include a new "free float" inner bushing with "side biter" washers.; Includes a CNC-machined billet Aluminum cover cap to protect the ball joint from road debris.; Tough Anthracite Gray powder coat; NOT FOR USE ON STOCK RIDE HEIGHT TRUCKS.