Rallye wheels on a c body

my 1970 road runner has rally wheels, and i think a set would look good on my 72 dodge wagon, however the hubs on the wagon are big, bulky hubs and i don't know if the center caps would fit. any advice?

There are two types of center caps, acorn style, which were for later years 72-74, and the narrow one used previous years. Here is what they look like, but I cannot honestly say if they will fit over bigger hubs.

If someone here doesn't know, maybe call Jegs, or Summit and ask if they know the inner diameter of the center cap between the two types.