Cusco Rear Upper Control Arm Kit | Subaru WRX/WRX STI/BRZ/Toyota 86 (965 474 L)Cusco Rear Upper Control Arm Kit Part #: 965 474 L Overview The Cusco Rear Upper Control Arm Kit is a high performance suspension upgrade designed for Subaru WRX, WRX STI, and Toyota 86 GR86 models from 2008 to the present. This kit includes adjustable upper and lower control arms that help optimize your vehicles rear suspension geometry, especially when using low offset wheels that increase track width. By improving alignment and reducing off center