Any retrofit A/C systems for A body?

http://www.classicautoair.com/?q=67_69_Barracuda_Air_Conditioning_Mopar_AC.html

A guy near me put air conditioning into his 67 dart using this company.

If i remember correctly he only drilled one hole into his firewall. There were no other modifications to his car. The pump sat on the top of the engine. Cant find the picture i took.