[tharbert]

Align bore
Deck case
Level Spigots
Clean piston squirters
time-sert head studs
time-sert that internal stud next to the crank web

You probably won't get too far into your reassembly if you don't do at least the first three items. And, it probably won't last too long after reassemble if you don't get the last three done.

Good luck!