I agree 100% with Gnarls and helipilot, DO NOT REMOVE THE STUDS, new nuts as described by helipilot and clamp that down pipe and you'll be good to go. Don't strip out the threads in the head removing the studs unless one or all of them are loose to start with.
![Hammer Head :hammerhead:](https://board.marlincrawler.com/Smileys/marlin/hammerhead.gif)