This Tein front left upper pillowball mount is the driver-side replacement top mount for 2011–2014 Subaru WRX STI (GRF/GVF) applications compatible with VSS84-CUSS1. It provides the pillowball-style top mount interface specified for Tein front strut assemblies and is intended as a direct replacement for the OE upper mount on the listed Subaru models.
Tein 11-14 Subaru WRX STI (GRF/GVF) Front Left Upper Pillow Ball Mounts (for VSS84-CUSS1)