Need a LA/Magnum Small Block Guru..or the like lol

Two more questions, for now.

Are these cam bearings setup for pushrod oiling, or rocker shaft? This is the #2 bearing, with the motor upsidedown on the stand, so thats the top of the bearing.

Also, are the lifter bores right for using hyd roller lifters? Hard to see, but there are holes in the bores..

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