This SWORKz factory replacement servo saver arm is machined from aluminum and designed for the S12-3 2WD buggy platform. It mounts to the steering servo and helps protect the servo gears from impact by absorbing shock loads transferred through the steering linkage. Sold as one piece. Features: Machined aluminum construction Single-sided arm design Factory replacement for S12-3 platform Includes mounting hole for linkage attachment 7/7/26 cs