Mopar ECU box

Ideas on a good replacement for a Mopar chrome ECU box? Can't find a replacement and this one is beginning to hiccup occasionally. Small block. Last incident happened while engine was warm after gassing up. Cranked and cranked, then I heard a click through the firewall and it instantly fired up. New Accell coil and ballast resister. I'm thinking it's the ECU box. Four years old but not a lot of use ... are there any orange boxes any good? Street use only.

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