Correct Cooling Set up for a 70 Roadrunner, 383 Auto with A/C?

Need to know the right cooling setup for my 70 Roadrunner; 383 Auto with factory A/C.
I am pretty sure it needs a 26" radiator but should it be a 3 or 4 core with a shroud?
Cooling fan? 7 blade clutch fan I assume?
Water Pump? Which one is for a A/C car? I know there are high volume pumps out there?
Where can one purchase these parts at a reasonable price? Not concerned about having the correct numbers on them..just need everything to work correctly and keep the system cool when running in hot weather in slow traffic.

Any help would be appreciated

thanks

26" 3 core, shroud, clutch fan.

The 26" width rad is the most important part.

And if I recall correctly, the A/C water pumps had more impellers vs. non-A/C