The F M J parts will fit A B E bodies but not C.
Check the Mopar Action disc conversion article.
Or go here, get your refreshments ready, it's a long read. Somewhere in there somebody called out the bearings and other part numbers you need:
https://www.forcbodiesonly.com/mopar-forum/threads/fuselage-drums-to-disc-brake-conversion.23988/or here:
https://www.hotrod.com/articles/mopp-1107-c-body-disc-brake-conversion/#photo-01 Short story, buy the spindles, pick up the rest at the store. The hard part, you need the specific PDB to get adequate boost. Some guys claim to have gotten good results with the drum booster. Factories are CHEAP, they don't make changes lightly, go with the right parts. No matter how expensive you go, it's still cheaper than an accident, probably cheaper than your deductible.
