Hello;
Trying to get back at this project....Working on the propeller shafts and found the U joints in need of replacement. I found a Spicer catalogue on line and it looks like #5-178x will work.
Can anyone confirm this or have a current model # that works?
This is for my 52- 9430 1 ton

1952 GMC 9430 one ton pickup, a work in progress

1952 1-ton pictures on Photobucket