Time to get this site upgraded, so we are passing the hat around. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html
We appreciate your help
in keeping this site going.
I've come across a few sets with caps tacked in to increase the width.
IIRC, Workman made those width correctors that would fit on the damper tube, that had a small value HV disc cap, molded into it. They worked rather slick.