Cusco – Rear Upper Control Arm Pillowball Bushing Set (Knuckle Side) – 2023+ Toyota GR Corolla

The Rear Upper Control Arm Pillowball Bushing Set (Knuckle Side) for the 2023+ GR Corolla replaces factory rubber bushings with high-precision spherical bearings. This eliminates flex, providing sharper alignment stability, improved rear-end grip, and predictable handling during aggressive driving or track use.