Quote: the stock hyd. roller lifter anti-rotation hardware needs the top of the lifter bosses milled flat, in addition to the "spider" mounting bosses.
Ahh, didn't know that. If you are having machine work done to the block, couldn't they just set it up and mill 'em off flat?
If you are having machine work done to the block, couldn't they just set it up and mill 'em off flat? 
