1970 c-10 front disc conversion question "again"

[BCOWANWHEELS]

fellas, I apologize for bringing this up again but my searches didn't answer my questions so help a old fella out ok ?
heres what I have-
1970 c-10 with 6 lug drum front brakes
I want to keep 6 lug rims and stock height spindles.
I don't want to change anymore than absolutely necessary so to keep my tk. as original as possible.
what is the best route to go about this and what parts do I need to round up and from who ?
is there caliper brackets that will bolt to drum brake spindles or do I need to use 71-72 spindles.
I,d like to use as many stock parts as possible so I can get replacements at local auto parts houses.

all help is greatly appreciated.
regards
bob