I'm pretty sure I'm right...the AD trucks had the 4.75" and the TF and up have the 5.25". I can't explain why you have 5.25" hubs on your 1954 truck unless someone swapped axles at some point in the life of the truck.

Mike B smile

Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
+++++
Silver Spring, MD