UMI Performance 82-92 F-Body 78-88 G-Body S10 Tubular Front Lower A-Arms DerlinUMI lower A Arms are fabricated from DOM tubing with CNC machined tube ends for a precision fit. They are jig built to maintain accuracy and bolt on correctly every time. All critical areas are TIG welded for superior strength and a clean look. UMIs lower A Arms also feature improved ball joint angle for lowered vehicles and the design provides additional tire clearance. Our P N 3032 lower a arms include greaseable, UMI designed and manufactured