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Yes, that is certainly an 'early' style intake, it is more restrictive in terms of airflow.
In regards to Paul's comments, it is best to retain two separate holes on the spacer, and even better results can be had by grinding a radius at the underside of the spacer at the center 'divider' between the two holes. Remember that with a DGAS especially, both barrels will be feeding each cylinder momentarily during the engine's operation, so putting a radius here helps the 'far' barrel feed each runner. So you nailed it right on the head Paul!
Bob
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