Ordered this NOS from Chicago connection and it came in original box and packaging for standard port M1 4500 intake but the intake has a different number cast into it-P4532251. I’m guessing it is the 725 intake with a different old number ? Box is from 2006. Checked Mopar engine books and internet with no luck. I don’t have an open intake valley on an engine to test fit it right now. Anyone seen this before ? Thanks

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