Originally Posted by lewtot184
somebody could have removed the brackets to install aftermarket carbs.

iagree You can see spotweld remnants where they pried the top bridges off.
It appears to be one of the early re-issues from Chrysler in the late eighties into the 90's under the old part number 2946389.
The tooling was modified with that long notch in
the front, presumedly for the AC crowd.
Below is the original Chrylser issue style

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