The stabilizer link / sway bar link Consists of a connecting rod and a ball head. The ball head is composed of a ball seat, a ball pin, a plastic nut, a O-shaped snap ring, a dust cover and a O-shaped tie ring. The ball seat is equipped with a ball pin; the ball pin is covered with a dust cover , The bottom of the dust cover is connected to the ball seat through a C-shaped beam ring, the ball seat is in the shape of a drop, a connecting hole is provided on one side of the ball seat, and an assembly hole corresponding to the ball pin is provided on the ball seat.