Statistically the rest of them are probably not about to fail as well, but how much fun is it to get in there?

Having done timing recently, I'd only want to do it once.

 

Oh it was a blast lol
It honestly wasn’t too too bad other than actually maneuvering the valve cover off.
And of course a couple of the valve cover bolts were not in the friendliest of locations

 

Ended up replacing the one failed roller follower and put it back together and runs good as new. Luckily there was very minimal blemishes to the camshaft. Once you figure out how the valve cover slips in and out, it’s really not bad at all.