Some CV joints do have a smaller inner diameter on one side of the cage
vs the other. Normally the larger diameter side is chamfered and is
oriented toward the boot or axle side of the joint.

Karl

Ken Lewis wrote:
> Troy,
>     I have been reassembling CV joints for thirty years without worrying
> about orientation (on any of the parts) and yet to have a problem.  Where
> did you read that?