Cusco cus692 928 A

Cusco rear differential mount collar for GRB/GVB STi replaces the rubber mount collar to reduce drivetrain movement and preserve correct differential alignment. Fitting Subaru GRB and GVB STi models, the collar improves stability under acceleration and cornering by limiting unwanted movement. It’s a direct-replacement component for owners looking to tighten drivetrain response without major modifications.

Cusco Bushing Rear Differential Mount Collar GRB GVB STi