ASR high performanc endlinks with PTFE are created with durability, adjustablity and most importantly squeak/rattle free in mind. These modular endlinks can be placed under high load and will not fail, unlike fixed OEM or OEM replacement endlinks which the welds could fail. The spherical ball in the endlink allow the dynamics of the swaybar to operate as designed even when the ride height of the vehicle is lowered.
The endlinks are very helpful when corner weighting your vehicle. This allows the user to remove any preload from the standard or aftermarket rear anti-roll bar setup.