70 duster disk brakes

I have found 70 duster disk brakes car 4 piston caliper.This is all small bolt parts.he has 340 k frame upper a arms lower arms calipers and roters all for 550.sounds great to me.But thoes 4 piston calipers kelsey hayes how hard is it to get parts.Any tips would be great.i just might bite on this fast but dont want to make a bad dishion.thanks Don.
Author: admin