For the best AM/FM reception nothing works better than a 31" vertically mounted antenna mast. Mounts on the inside top of windshield for best performance. Not recommended for underdash mounting. Danchuk # 12087 will work on any 1955-1957 classic Chevy model as well as other vehicles you may have in your collection.
Danchuk has the largest selection of quality 55, 56, 57 parts for your classic Chevy project.