360 Advice Needed - Autocross / Street Engine Build

Ok, it's not just me, I've got the wrong fan.
I'd bought Dorman 620-037 to go with the Hayden clutch, which looks to be actually the Magnum version so the blades are reversed.

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Anyone know the correct parts number for the mopar 5-blade fan? I've coming up with Dorman 620-054 or 620-048 but can't find a definite answer.