The Genuine VW / Audi Control Arm Kit - 178118 is a comprehensive set of products designed for use on a car's control arms. It includes various components that are essential for maintaining and repairing the control arms of a car. The kit contains four control arm bushings, two control arm bolts, two control arm ball joints, and two control arm links. These components are crucial for ensuring the proper functioning of a car's suspension system and steering. The kit is compatible with Volkswagen and Audi vehicles, making it a reliable and high-quality option for those looking to service their car's control arms.