Cusco Pillow BC R TRAILinG ARM Rear Upper Arm (Rear Side) Bushing CZ4A W/ BOOTS EVO10

This is the Cusco Pillow Ball Trailing Arm Rear Upper Arm Bushing, specifically for the CZ4A Lancer Evolution X. If you're looking to get the most precise feel from your rear suspension, especially during spirited driving or track use, upgrading the stock rubber bushings is a key step. These pillow ball bushings replace the factory rubber components, offering a much more direct connection between your chassis and the trailing arm.

What this means for your Evo X is a noticeable improvement in how the rear end reacts. Because there's less flex and deflection in the bushing, steering inputs translate more immediately, and the suspension geometry stays more consistent under load. This can lead to better stability during cornering and a more predictable feel when you're pushing the car. Cusco is well-known for its performance suspension parts, and these bushings are built with their typical attention to detail. They use a durable pillow ball bearing design that's designed to handle the stresses of performance driving.

This kit includes the necessary boots to help protect the pillow ball joint from road debris and moisture, which is important for longevity. When installing these, you'll want to ensure the suspension is properly aligned afterward to take full advantage of the improved geometry and responsiveness. It's a solid upgrade for any Evo X owner serious about optimizing their vehicle's handling characteristics.