The BRZ factory control arm bushings are made of highly flexible rubber. They are designed to allow for up and down motion, but unfortunately also allow for side-to-side motion which causes sloppy steering, deflection, and a reduction in steering precision and braking stability. There have also been a few cases of the factory bushings wearing and cracking prematurely.
The Perrin PSRS for the Subaru BRZ is a spherical control arm bearing with zero side-to-side movement. It presses into the factory location, allowing for the intended stock up and down range of motion, while virtually eliminating side-to-side motion, allowing for increased stability, better control, and more responsive steering. Besides removing all the unwanted flex of the OEM bushing, a variation of the PSRS has an offset to where the bushing is mounted. This adds 0.6 degrees of caster to the front suspension. Caster is the angle at which the steering knuckle rotates on. Adding caster makes the car turn in faster by providing a larger contact patch as the wheels turn on the steering axis.
The PSRS must be pressed-in on a bushing press. We reccomend professional installation
You must get a vehicle aligment following installation of the Offset kit.
There will be a slight increase in road noise and vibration with this product
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