some cars use the same speakers
do some yard shopping
the AM pushbuttons are common, most dont work anymore but now and then ya find one that does
i just save the knobs and junk them
i save all 67-72 dash choke headlamp wiper and radio knobs and related parts, i have a whole ton of this stuff, including some of the unique small 67 ribbed ones,
standard ones, CST/Custom/Cheyenne bright metal center ones, etc,.
i snag them from yards, abandoned trucks, whatever,
for years now
when i got my 81-c-10 back not too long ago, i forgot i had a 67 small ribbed headlamp knob installed in it, so theres another one of thos ei have in my collection heh