The DORMAN 520-963 Suspension Control Arm and Ball Joint Assembly is a high-quality car part designed for the front left lower forward position. It features a ball joint stud type of threading and includes a ball joint with a 14mm thread diameter. The control arm is black in color and made by the reputable brand Dorman. This assembly does not come with adjustable features and comes with both forks for the ball joint and bushings included. It is a reliable component for maintaining the steering and suspension system of a vehicle.