Cusco Japan - Rear Upper Arms - Toyota - Yaris GR GXPA16Specifications: Manufacturer: Cusco Japan Position: Rear Camber Adjustment Range: +10 10mm The Cusco Upper Camber Arms will allow the adjustment of the cars camber angle. This is extremely important once the vehicle has been lowered. By adjusting the camber, improved tire contact with the road is exhibited which results in better handling and even tire wear. They are designed to work with stock suspension or nearly every aftermarket system available.