96 heads came on 400 cid 4 bbl engines.
98 heads were on 455 2 bbl engines.
66 heads would be on 455 4 bbl heads.
With that said, the pic could be showing 98 heads?
When you take the heads off it will be easy to determine if 96 or 98 head.
With rust and corrosion it can be hard to discern 8's, 6's, and 9's sometimes.
__________________
John Wallace - johnta1
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