The ones that I'm sure are original on my '51 were both the same diameter. If I get a chance, I'll get out in the trailer where they're stored and confirm that.
Your "set" may be from a different vehicle (or vehicles). ohwell

Last edited by klhansen; 02/19/2023 3:57 AM.
Kevin
1951 Chevy 3100 work truck
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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.