lamartinez (asker) Nov 27, 2013:

In the driving of a vehicle, an operation such as quick start, sudden braking or steering of the vehicle is likely to cause the stabilizer to move in a lateral direction, which leads to problems such as interference of the stabilizer bar with other components of the vehicle and functional deterioration of the stabilizer bar.
Generally, in order to prevent such phenomena, a limit ring is installed on a mount portion of the stabilizer bar mounted on the vehicle.
A conventional limit ring is formed by attaching a limit ring blank to a stabilizer bar.

Al Zaid Nov 27, 2013:

If we could have a little more context...