Valve Cover Gasket Job -- DIY?

Found a bit of oil in a spark plug well last fall when I was doing a plug job, and it looks like it's time to do the Valve cover gaskets and plug plug well gaskets. The intake manifold on the passenger side is gonna make it a giant pain in the ass it looks like, but wanted to see what I was really in for with this job.

What do you guys think? How many DIY hours? And difficulty of job?

2012 Rock Warrior 5.7

 

What year/ motor?

 

You may find more info here

https://www.tundras.com/threads/diy-mods-tutorials.257/

 

2012 Rock Warrior 5.7

 

Few hours. Pretty easy and pull the old seals out with flat screwdriver. Fel-pro gasket kit from rock auto comes with everything except 2 flat washers.