55-57 Chevy Glass Track Roller Guide for all 2-Door Models, Door Roller Guide.
The roller guide attaches to the bottom of the glass track. This is the track that the window regulator rollers rides in. The guide is 14-3/4" long. This roller guide works on all 2-door models, fits in the door. Two needed per car, one per side. Made from galvanized metal, so they won’t rust. This part is made in the USA.