
The Cusco rear OS strut bar for Toyota GS400/GS430 (JZS161) is a rear tower brace that links the rear shock towers to reduce flex and sharpen rear-end stability. As a vehicle-specific reinforcement, it helps maintain suspension geometry under load and improves predictability during spirited driving. The part is tailored to the JZS161 GS400/GS430 platforms identified in the product listing.
Cusco Strut Bar OS Rear JZS161 GS400 GS430