ICON Vehicle Dynamics prides themselves in the highest quality components available. These Billet Aluminum Upper Control Arms are a great addtion to any aftermarket coil-over shock system. They eliminate the weak factory upper ball joint with a teflon lined 1" uniball for added strength and durability, not to mention extra articulation. They are also adjustable for Caster and Camber to fine tune your truck alignment whether it is lifted or not. They also feature a Uniball Dust Cover to protect the Uniball from debris preventing premature wear. Using all 17-4 Heat Treated Stainless, these uniball and taper components will surely outlast your truck.