speakers are easy, they are 5.5" or 5.25", I forget which, but it's a standard size. For a stock radio, ebay may be you best bet - but they are hard to find. I think you'd be better off with a modern radio, they can be had cheap, and just require a little cutting of the dash.
'82 Scrambler - NV4500/4.5" lift/33" Toyo MTs/4.0/twin stick, and my windshield washers work! Full 1/2 cab Cage
2004 Grand Limited 4.7 HO - OH Boy!
2010 Grand Laredo 5.7 Hemi - SICK - work vehicle -gone - replaced by an 08 Tahoe - nice ride.
"Both my Doberman and my Jeep can accurately be described as 'black and rust.'"
"I got a fever . . . and the only prescription is more cowbell"