SuperPro's ALOY0020K control arm set replaces both the ALOY0004K and ALOY0008K control arm kits. Fitting a wide range of GC and GD platform Impreza models and a range of other swapped and upgraded Subarus this kit combines and STI-style alloy lower control arm with a geometry optimized rear mount and bushing assembly, a new ball joint bosses, upgraded forward bushings and a set of SuperPro's HD adjustable end links Features & Details Lightweight high-strength alloy arms Pre-assembled rear bushing bracket with integrated anti-lift geometry SuperPro HD Adjustable end links are included in the kit New ball joint bosses Includes two sets of forward bushings to suit various USDM and JDM subframe options allowing customers with a wider range of upgrades, swaps and combinations to utilize the kit and have all of the required items in one box.