INDY RHS heads

That would make sense, the LA manifold will still fit?
On the engine quest heads, you can choose two options of course intake manifolds, LA or Magnum.

I don’t own a Magnum version of the RHS INDY Head, so I don’t know for sure-I doubt it, but you would have to verify. If Brian said you need magnum rockers, and the LA intake fits, I would take his word as GOLD.

BUT the Chinese air gap intake bolts down to either cylinder platform choice. Those run around $200 and are available super shiny polished/baked powder coat.