Looking for a 1971 225 engine & trans

my5thmopar said

Depending on the month the car was made, it could have a 1970 engine and transmission. My 2 cents.

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Well that clouds the already-cloudy waters. I'm just looking for one that's correct for 1971 (air cleaner, paint colors, components, etc.). It didn't have the original engine/trans when I bought the car.