UMI's Race Proven lower a-arms bring race car handling to your truck. Double shear coilover-only lower mounts hold all popular coilover assemblies.

UMI Performance 6435-R Cornermax Race Lower A-Arms are designed for 1963-1970 and 1973-1987 GM C10/C15 trucks. These red, tubular mild steel control arms feature Race Proven #CornerMax Geometry, integrated adjustable billet aluminum steering stops, integrated polyurethane bump stops, and adjustable sway bar end links with a double shear design. The removable lower shock mount allows for easy spring changes. They utilize Delrin bushings and heavy-duty 4140 CrMo cross shafts with CNC turned aluminum endcaps. The arms are constructed from DOM steel tubing with 3/16" steel plating and a durable powder coat finish. They are a direct bolt-on application with no modifications required, and are 100% USA Made using North American raw materials.