You are correct that the second position is for a locking throttle for an accessory.
If you need parts like a choke bracket, here is a good source;
http://oldjeepcarbs.com/
Type: Posts; User: gmwillys
You are correct that the second position is for a locking throttle for an accessory.
If you need parts like a choke bracket, here is a good source;
http://oldjeepcarbs.com/