There isn't any thing on a 1/2 ton that will work on the 6400 chassis. I have worked on a lot of P30 trucks but don't know if the front brakes will convert to the 6400. It will take a lot of modification.
Just for information the brakes on a 51 3100 are Bendix front & rear.


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
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