Solid rollers with off set push rod hole issue.
I would think that if it was the offset, all the intake lobes would be affected. My buddy tried a set of Crane roller lifters years ago, with a R block W7 heads. The first run on the engine snapped the tie bar holding the lifters together. His thought was the offset put a side load on the lifter and tie bar and snapped the tie bar. So he put a normal set in