It would not be a BIG solid flat tappet.
It's a 1 bolt cam . it specified as hydraulic special 236 244 @.050. Duration
Lift is .486 & .504 with a 1.5 rocker .
This is why the at .050 numbers are the standard because anyone could be fooled by advertised duration numbers which are useless.
My 264-268 @ .050 cam is barely cracking 300 on advertised.
And this one is 236 @.050 with 320 as advertised lol
All small block cams are one bolt. The old SS series used advertised duration stamped on the cam. Then later, they changed it to the CC series. I don't know what it was after that. The SS grinds were DECADES ago in the 1970s.