Yes, MT (he has a post in this thread - look for his name - send a PM) has been selling them for more than several years.
He had quite a few sets made.

https://www.jalopyjournal.com/forum...n-truck-3-55-1-ring-pinion-gears.923013/

Last edited by tclederman; 07/19/2019 6:10 PM. Reason: added info on contacting MT
Tim
1954Advance-Design.com
1954 3106 Carryall Suburban
1954 3104 5-window pickup w/Hydra-Matic
The 216 and early 235 engines are not "splash oilers" -- this is a splash oiler.