This was a factory accessory on early (pre 1981) Rabbits. 2" deep. Fits MK1 (Rabbit/Jetta/Caddy/Cabriolet-87) except GTI still using original GTI front valence. Attaches to front radiator support. Not supplied with mounting bolts, they are simple metric bolts/washers available at any hardware store. OE # 171805903