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That should bring up some stuff about the conversion I did to my 1 ton. My new stuff will fit 1.5 and 2 tons also, I plan to switch it to a 2 ton frame soon.
Your choices are to change the whole front axle, or modify your axle ends to fit newer spindles with disc.
Any questions Just ask.

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-