Are valve guides reusable?

The FSM valve assembly diagram designates valve guides as non-reusable:

I was wondering if the designation is just a CYA or what the case in reality is.

 

If the same valves are going in the same spot, I wouldn't worry about it, as they have worn together.

If the valves we're being replaced, then yes, I'd replace the guides as well.

 

Thanks. Unlike my f**kup of the lifter order, I did in fact keep proper track of the valves.



I'm also replacing the stem seals