Description Street performance tubular lower A-Arm feature heavy duty cross shafts, Delrin bushings and a host of other features. Power Tour and daily driver proven. Accepts UMI lowering spring, factory springs and most other aftermarket springs. Heavy-duty tubular construction – yet still strong and light. Delrin bushings ensure smooth suspension action and precise steering. Adjustable steering stops to fine tune turning radius. Direct bolt-in. Pair with UMI 6433 upper A-arm bar for ultimate handling. 100% Made In Philipsburg, PA – USA