You are right it is for the choke.
You have 3 options:
1/ You can go without a choke,
2/ Get an electric choke
3/ Fabricate some mounting gizmo to replicate the stock manifold mount.
You have 3 options:
1/ You can go without a choke,
2/ Get an electric choke
3/ Fabricate some mounting gizmo to replicate the stock manifold mount.