UMI Performance 93-02 GM F-Body Boxed Lower A-Arms- Competition Rod EndsUMIs heavy duty boxed lower a arms P N 2314 with dual rod ends provides a rock solid foundation for your autocross, road race or corner carving 4th Gen. The a arms fully gusseted box tubing construction combines strength with a five pound weight savings per set over factory lower a arms. Shock mounting is double shear with a dia x 1 width racing coilover mount suitable for most racing coilover systems. Revised ball joint location adds a nominal 2