The Edelbrock rpm is here.

Is your question about the Hughes cam?
The HEH1523al?
You could probably do a search at Hughesengines.com and find it but the short of it;
215 @ .050 intake duration
223 exhaust duration
Normally seen on a 112 centerline.
Lift unknown.


Look

So I searched for ya and found the page you need!
HEH Series Cam Profiles (Small Block)