An adjustable hood-stop unit for a front-end bolster of a motor vehicle is disclosed. The adjustable hood-stop includes a bumper stop, a retainer made of a plastic material that receives the bumper stop, and a plurality of threads integrated along an internal surface of the retainer. The retainer is over-molded onto a hole in the front-end bolster, the plurality of threads extend on a partial length of the internal surface of the retainer at a predetermined rotation degree, and the plurality of threads are discontinued.