Going down the path that some have traveled, I'm in the process of a full floor pan replacement on a '68 vert. Inner rockers are required but not available for a vert. Dynacorn offers a complete rocker assembly(inner/outer/brace) and acknowledge that in doing so, make the inners but do not offer them seperately.
Sure would be great to have correct replacement inner rockers for the '68 vert('67-'69 for that matter).