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The Cusco rear upper-arm pillowball bushing assembly for CZ4A (Evo10) installs in the trailing-arm rear-side location to replace the factory rubber bushing. It uses a pillowball joint with protective boots to reduce deflection, improving suspension precision and helping maintain alignment under higher loads. This unit targets drivers seeking crisper handling responses from the Evo10 rear suspension.
Cusco Pillowball BC R Trailing Arm Rear Upper Arm (Rear Side) Bushing CZ4A W/ BOOTS EVO10
