Clutch fan question

Hello,
I am trying to find a clutch fan for my 1966 Barracuda with the factory 273 motor and having a heck of a time any ideas where to get one? I have the 7 blade fan with A/C in the car.

Or should I just buy one of these and call it good?

Mancini Mechanical Cooling Fan Package

New 18 Inch 6 Blade Engine Clutch Fan Package. Dodge Plymouth Mopar