Rhino Racing SHARK Lower A Arm Set - PurpleRhino Racing (#RR 1100P) SHARK Lower A Arm Set Purple Feature: For: Rhino Racing SHARK These lower arms utilizes bearings on the pins for a more free moving and precision setup. A quick adjustment of the set screw lets you match the marks and adjust the track width. These sleek precision arms utilizes tradition shimming as well as the new revolutionary spring loaded shimming. Shimming just got easier, you just put the shim(s) thicknesses you want on