DOOR WINDOW ADJUSTMENT FELT CUSHIONAnti Rattle- 2 Required per dr One fis towards the front of the glass, the other towards the rear. Cushioned, and presses against the glass to help it keep from rattling.See link below for installation instructions. MakeCHEV ModelCORVETTE Year1969-1982 Item#DOR430 Instructions / Core Return FormClick Here Price$8.95EACH Core Charge$0.00 QtyAdd