Whenever you replace a fixture, might as well replace the shutoff valves It's a lot easier to do it all at once, and the lines are frequently crudded up, good time to look at everything.

pics to follow

1. Look at what you need, make a parts list, get everything at once. Even if you might need it, get it anyway. The worst thing for me is to stop in hte middle of the job and go back to the store.

Make sure you know if you ned an angle or straight valve, and its threaded on (easy) or soldered on, a little harder. Unless the old lines are less than a year old, get new lines too.