Buckets into Factory Bench Car

So i havent done mopar buckets in a mopar a body before, when switching to buckets in a bench car do the buckets still mount to the little "ramp" for the bench seat, or do they mount off to the side of it in holes that i dont currently have?

468153910_571970398785819_7493681039793906151_n.jpg

468153910_571970398785819_7493681039793906151_n.jpg