Installing factory roller lifters

[bschubarg]

looks like they can be installed either one way or 180 degrees other way... is there a correct way?

 

[67Dart273]

I was told the bleed hole should be "up" towards the inboard (center) of the valley

This thread may or may not help

'89 roller-cam LA 360 w/Magnum heads - new roller lifters not pumping up

 

[Lelo Dart]

Yep, oiling holes point up.