What PARTS did Hurst and Chrysler put in the Super Stock Barracuda & Dart not in other factory cars

Non thermostatic and 7 blade in picture I posted.

ok than... clutch you can have Troy ship to me :).
So I had to look a little deeper in to this, and fan is not the same. I may have some good pics from an original engine compartment.
This picture from the SS Guide shows typical pattern of the rivets you found on the fan of the SS Hemi.

SS Hemi fan rivet pattern.jpg