Cusco's Front Upper A-Arms for the 350Z / G35 are a direct drop in replacement for the stock OEM arms and allows you to adjust your camber angle. Adjusting your camber angle allows you to change your vehicle's handling characteristics. These front camber arms includes a special rubber compound bushing to minimize noise and ensure smooth operation. Actual amount of camber adjustment range varies with rest of suspension setup, but allows approximately 1 - 1.25 degrees of adjustment. This is recommended for lowered vehicles to improve handling and tire life.