Suggestions on A/C kit w/heat or just A/C add-on

I guess it all depends on what you want. A/c, even in dash factory stuff looked like an afterthought. My recommendation is If you heater box is restored with a new core, and foams, hang a stand alone A/C unit under the dash. If your missing everything under there buy a heat/AC unit and go with it.

I saw a setup on evilbay that came with under dash evaporator unit w vents and controls, crimp fittings, hoses, condensor, dryer, low pressure switch, and a 2 pulley sanden SD508 for $358. You have to provide the compressor mount brackets, and pulleys for your application. I found sanden compressor mount brackets for SBM for $68. And i bet M body V8 pulleys will work.