These Cusco bits are firmer than the rubber bushings from the factory, resulting in improved performance.

Cusco pillow ball bushings serve a few purposes:

• To strengthen the suspension connection portion according constantly load while driving, to reduce the alignment change.
• The steering response is improved, and excellent effect on straight-line stability and precise cornering.
• Use precision pillow ball is widely used in racing vehicles. Compression and deflection will demonstrate without suspension original performance to the full. Rubber with boots to minimize the impact of dirt

In the picture above, the bushings fit location 2.