I'm a big fan of the Edelbrock Performer RPM AIR GAP intake manifolds.
They truly are the best of both worlds, but you need hood clearance to run them. They are tall.
9:1 CR is fine for a pump gas street motor.
It's nice to zero-deck the block. Looks like you are running some smog-dog pistons.
If you have to run those pistons, get some heads with smaller chambers.
I'm thinking 58cc-62cc.
Comp Cams Xtreme Energy cams rock. Good choice.