Made of steel. They allow you to adjust the angles of the suspension. The product is especially recommended in the case of lowering the car when the wheels lose their factory angles. Thanks to the adjustment of the rocker, they can be perfectly adjusted. The product is not road approved. Designed for use in motorsports, tuning exhibitions and others. Rear control arms for Nissan 350Z. Made of steel. Allows you to adjust the angle of the suspension. Particularly recommended when lowering the car when the wheels lose their original angles.