I, too, wonder if they are bent. If they were installed with the barrel clips--the push on hodgemoes--they were probabaly bent up during removal. Myself, I would pukey something on before using the kamakazi clips.
Hindsight for you and something for reference for people in projects. This has been a common topic for a number of year, but it's still dieregarded, so I'll do it in upper case.
ALL--MEANING ALL--PARTS MUST BE MOCK FITTED WHILE THE CAR IS IN ROUGH METAL.