$359 is cheap. That one looks like a deluxe unit, it has chrome knobs. : )
AC comp bracket - Nostalgic AC Parts #3010. Bolts up a Sanden 508 to 383,400,426 hemi ,440. $119 shipped to me.
Compressor - Napa #274195 $260
Under dash evap unit - Amazon - (BuyAutoParts.com part# 16320019-101)...