Tested with factory dampers.
Fits
Porsche 911 Carrera 4 2006
Porsche 911 Carrera 4 2007
Porsche 911 Carrera 4 2008
Porsche 911 Carrera 4 2009
Porsche 911 Carrera 4 2010
Porsche 911 Carrera 4 2011
Porsche 911 Carrera 4 2012
Porsche 911 Turbo 2008
Porsche 911 Turbo 2009
Porsche 911 Turbo 2010
Porsche 911 Turbo 2011
Porsche 911 Turbo 2012
Porsche 911 Turbo 2013