70 RR air grabber does not have any rivets to mount to hood. It has studs that are tack/spot welded to flange on underside of hood. Do not know of a way that they can be replaced without removing the flange from hood. To do this you have to drill out several spot welds.

70 Road Runner 383-4 4 speed FJ5 & black guts
70 Charger R/T 440-4 4 speed FJ5 & white guts