Head studs
 

If I installed headstuds can i take my head onn and off or do I need new studs each time. Don't know if I can afford rings and studs rigft now still trying to find a shop to o-ring head in jersey. HX35 is boosting up to 36 psi wich is not a ton but i want to to be safe and set up for my nest turbo possibly the 62/13 with the 71 comp wheel by II I think or HT hard to remember all of the turbo stuff all the time.

You can install the studs without taking the head off. And yes, the studs can be re-used if you take the head off in the future.