UMI Performance 93-02 GM F-Body Upper A-Arms Non-AdjustableUMIs fabricated tubular a arms provide a rock solid foundation for your 4th Gens front suspension. Our P N 2311 a arms are built to offer increased rigidity, smooth travel and a precise steering feel equaling a great street oriented a arm with race tendencies. The DOM 1 1 4 diameter tubular sections are precision bent, CNC notched and welded in a jig to form the solid base. The thick CNC laser cut ball joint pad features improved ball joint angle for