What's missing from here?

No... that's not it.

It actually wraps around the z-bar.

Here it is... sticks out like a sore thumb.

TSW910 torque shaft retaining wire

http://www.brewersperformance.com/products.asp?cat=106

hey mullinax, thanks for the info...i was thinking of picking up this kit here...it has what you are talking about plus the other stuff i need with some new parts of what i already have...gonna price it all out first, but i have to figure out what i need first
http://www.brewersperformance.com/proddetail.asp?prod=CSK482