I'm gonna go with the wilwoods when the time comes. I've got 9" spindles and i like running my 14" small bolt wheels, but it wouldn't take much arm twisting for me to order a staggered set of mo-techs in sbp.
check these out. You may have to run bigger wheels though not sure.
http://www.summitracing.com/parts/WIL-140-11022/Application/?query=Year|1967|Make|DODGE|Model|DART&prefilter=1