It's easy... Just do it!
The only special tools that you need are the delivery valve holder socket... . and the special delivery valve holder dial indicator setup.
Sounds like you may already have these.
It takes me about 1. 5 hrs... . but I'm slow. I've done 3 trucks so far... all of 'em went smooth.
It isn't hard... . just take your time... . and be very careful NOT to drop the nut or washer down into the engine... . the instructions even warn you of this.
BTW, some of the instructions refer to thrust washers... . the Snap-On (Blue Point) tool kit doesn't use these... . so don't worry... .
Matt