Time to play " WHATS THIS PART " again !

RAT ROD AL said

I found this on the fan , but not mush help really.

Help ID this 7 Blade Aluminum Fan - Moparts Forums

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Yes, the triangular type is the Hemi fan for the L0/B0, I have a couple of them. 18-1/2 has a 2-1/4 pitch 68-73. Notice the one you have has a balancing weight on it, the Hemi fan does not...