273 intake manifold
Nobody liked the poor performing original iron 4 barrel intake that came on the Commando/Charger motors. I suggest you look for an aftermarket dual plane one.
I think this is what you need, but I am not sure and the price looks a little steep.
http://www.ebay.com/itm/chrysler-vi...-D4B-273-1964-65LAeng-318-ports-/121456481633
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