do the head bolts need to be replaced after each use
Yes. Always use new bolts when installing a cylinder head.
You can 'get away' with using the same bolts if you installed it then for some reason you had to take it back off before driving the car. But generally speaking always yes.
Looking for a Used Tacoma in your area?
CarGurus has 26,685 nationwide Tacoma listings starting at $2,700.
Search Toyota Tacoma Questions
Toyota Tacoma Experts