I am not where I can check but I remember running into some problem like that when I rebuilt a 2.1. 

I had to go back and buy a second set to get all o needed. 

Jim

On Aug 23, 2011, at 3:19 PM, Tom Lambas <twlambas@GMAIL.COM> wrote:

> Ok. so I was installing my camshaft bearings (2.1 WBX) and both flanged
> shell halves have an index tab on them, but only one of the case halves has
> a cutout
> for the tab. This is a Mahle cam bearing set #111 198 541 HD - ref # 057
> 54004 057. What's the deal? Some photos on the internet show both shell
> halves with the tab as well.
> Am I missing something here?
> 
> Thanks, Tom