Eckler's Premier Quality Products 57135807 Chevy Vent Window Channels Vertical Replacement Channels Mounts To Back Side Of Vent Window Assembly Using Screws Included In P/N 3495 Screw Set You will find the fit and function will work perfectly for your Chevy Chevy Vent Window Channels, Vertical, 1955-1957 Chevy Vent Window Channels, Vertical, 1955-1957