Definately do long lifers if you want. I suggest it. BUT once you remove that cluster, it's really easy. Time consuming your first time, but now i can have it out in under 5 minutes. They are 194's.
Here's a good writeup that you can follow for some guidence. I prefer to remove the radio bezel, not just let it hang there.
I ran these from autolumination behind my explorer cluster before i went to LED...took away that ugly ugly yellow odometer and lit up the cluster brighter
Autolumination.com (Super White)Xenon..