6269318, right?
I'd sell that intake, and use the money to buy an intake that matches the peanut port heads, like:
Weiand Street Warrior intake Manifolds 8122WND
https://www.summitracing.com/parts/wnd-8122wnd/overview/
or
Edelbrock Performer 2-O Intake Big Block Chevy Intake Manifold...