I recently went though the same thing with my rocker panel "spears". Searched high and low, but could not find the factory clips. Others had said that E body decklid clips would work and I tried some of those but they were slightly too narrow to hold tight to the inner lip of the spear. Eventually I tried some 7/8 inch wide (from memory that is the width of the inner lips of the spears) wire clips sourced from MrG's fasteners. They were a tight fit and I had to use circlip plyers to prise the edges of the spears open enough to slide the clips in, but once in it was a perfect fit. And better than the original vinyl clips in my view, very snug and tight. If you;re interested let me know I'll hunt down the specifics of the clips I used.