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Air grabber hood, possibly 440 power? Can't make out what the call out says above the clearance light.
Doubtful it was a 440. That is an E body and the majority of those were 340, or 360. The true muscle Mopars were pre 1971 with the exception of the hemi Cuda. I owned several and just sold my 68 Charger a couple of years ago when I retired. My son is still mad at me.
I like those RR graphics better than the others. The rear spoiler is questionable. I only remember a wing.
Back when cars were cars, and not transportation.