German shop House of clips has both -921 and -438 in their selection. They sell also via Ebay. imdupla is name
I see no one has answered the following: FRONT headliner SIDE molding clip part number....? 20017921 Rear Quarter window side Headliner Clips 20007308 Windshield Headliner Clips 20016438 Back Window Headliner Clips ................ Front side Headliner Clips????????
20313466 CLIP, FRT RF INR SI MLDG for B body 85-90 I also searched for them, unobtanium. I just used heavy epoxy and glued them back together. 1990 Custom Cruiser