These go in behind the rear tire and bolt to the body of the car to keep the quarter from shaking. As it was behind the tire it was always caked with mud and road debris and most rusted away. Many owners don't even realize this part is missing from their classic. Danchuk # 19437 will work on any 1957 classic Chevy Nomad, wagon or sedan delivery. Sold as a pair, one driver and one passenger side.
Danchuk has the largest selection of quality 55, 56, 57 parts for your classic Chevy project.