Quote:
Originally Posted by Cliff R
In theory they shouldn't rotate as they are two flat surfaces one turning the other, but we all know that it's not a perfect World and you'd better wait for the associated parts to keep them lined up correctly!......LOL...
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I've always wondered why non-round shaped lifters or lifters with a keyway that would fit in a groove aren't made, with the lifter bore machined to accept a non-round lifter that wouldn't be able to rotate.