Piston I D

and those are not quench dome pistons
I'd dummy up all four corners and check clearances
also you are going to have lefts and rights so make sure the valve notches are in the right place for the heads
and the chamfers on the bearings match the crank if it has radius and the non chamfered side of the rods are next to each other and squirters - if the rods have them are pointed where they should be