If there are other characters stamped near the 16x6 that Dan found (I can't make them out) that may be a K-H model number. That might shed some light on what they were originally used on. Other manufacturers use the 6 on 5.5 bolt pattern.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.