Do they look like these? If so, I can look the next time I go to Pull-A-Part. I may be going in a couple of weeks. They have a 90 Daytona that I may go and see what parts are still available. Click the link.
http://www.centercaps.net/search/model_results.php?ddlMake=20&ddlModel=866&ddlYear=1992&getCap=Get+Cap