installing a vinyl top on a non vinyl top car

It would have the rivits spot welded to the body for the middle clips. On each end there is a through hole for the spring loaded diamond shaped fasteners.
You can use these instead of the weld on rivits. Seem to work just as well.
Dodge Body & Vinyl Top Trim Molding Clip Screw in Studs- Qty.25- #221 | eBay