UMI coilover specific lower A-arms are shipped fully assembled and ready for direct bolt in installation. Spring bucket delete saves weight. They feature greaseable Delrin bushings for smooth bind free travel, premium ball joints, bump stops and adjustable steering stops. UMI's lower A-arms are fabricated from drawn over mandrel tubing with CNC machined tube ends for a precision and accurate fit. They are assembled on a jig to maintain accuracy for a perfect fit every time. Critical areas are TIG welded for superior strength and a clean look. Lower A-arms also feature additional tire clearance for wider tires and adjustable steering stops to set vehicle steering radius. UMI's extensive testing on the street, drag strip and skid pad ensures a quality product able to with stand all types of conditions. The ultra tough red or black powder coat finish guarantees your performance parts stay beautiful on your street car, drag car or pro touring machine. Lower A-arms are designed to work with coilovers only. Manufactured with pride in Philipsburg, PA – USA.