This roller guide mounts to your window track and is what your regulator roller runs through. These are 14.75 inches and will work on any 2-door model.
This is the one for the door window. One per side. We also have a listing for pairs, if need be.
 Get those windows operating smoothly. Fits any 2-door model, sedan, hardtop or nomad, 1955 1956 or 1957 Chevy.
Made in the USA.