I was under the impression that the Z-Link used struts and not shocks. (Tire Rack is closing out the sport shocks for non Z-Link rears if you are thinking of lowering.)
EDIT: More good stuff
[h=1]How-To: Install Whiteline BHR93 Rear Sway Bar (2011-2016.5 Cruze)[/h]
[h=1]How-To: Upgrade to Whiteline Control Arm Bushings[/h]
[h=1]HowTo: Install a front upper Ultra Racing strut bar[/h]
[h=1]How-To: Install 2011-2016 Cruze Ultra Racing Rear Lower Bar[/h]
[h=1]How-To: Replace Sway/Anti-Roll Bar End Links[/h]
EDIT: More good stuff
[h=1]How-To: Install Whiteline BHR93 Rear Sway Bar (2011-2016.5 Cruze)[/h]
[h=1]How-To: Upgrade to Whiteline Control Arm Bushings[/h]
[h=1]HowTo: Install a front upper Ultra Racing strut bar[/h]
[h=1]How-To: Install 2011-2016 Cruze Ultra Racing Rear Lower Bar[/h]
[h=1]How-To: Replace Sway/Anti-Roll Bar End Links[/h]