Are you sure it's not
D2AE-CA? I can't find any listing for
D2AE-OA, but the
D2AE-CA is the casting number for all Cobra Jet 351 Clevelands built between 1971 and 1974, with 4 bolt mains (part numbers D1ZZ-A and D3ZZ-A). The next closest would be the
D2AE-DA, which was a 1972-1974 351 Cleveland, but it was a 2 bolt main (part number D0AZ-D).
Hope this helps.
Take care,
-Chris
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Retired Moderator
MustangNet
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