There are lots of companies out there that make disc brake conversion kits for you truck, try CPP...
Also check out speedway motors or CPP for the rear axel conversion to disc brakes.
It isn't really a big deal to do either, the issue might become dual mastercylinder/power booster though...
'51 Chevy 1/2 ton w/'62 261, HEI, offy, fentons, dual carter/webbers, t-5 & 12 bolt posi
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