What is Needed to Convert Manual to Power-Assist with 9-inch Drums

valiantwagonguy said
yes ,they were.I had a 65 Valiant in the late 80's with all original power drum brakes and they were 9 inch .It had a 170 cu in slant with an automatic . You just need the booster and the right pedal assembly that goes with it . It's a goofy thing that offsets the master & booster so it will fit.Same as the one used on the v8's of that year.
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I was kind of hoping that everything from inside 'cabin' would fit (if booster, etc. added) - but consensus is that it won't. What about brake pedal, etc. from '74 Duster? I do have the booster and accompanying linkage but that was a disc/drum vehicle.