Godspeed Porsche 911 RWD (997) 2005-12 MAXX Coilovers Engine Tuning Mandrel-bent piping ensures smooth bends

Mandrel-bent piping ensures smooth bends with no flow restrictions

Carefully pry the lens from the backing plate

Hard panel construction designed to match original dimensions and mounting

Compatible With Mercedes-Benz S350 S400 S550 4Matic with Air Struts (W221) 2007 2008 2009 2010 2011 2012 2013

Godspeed Porsche 911 RWD (997) 2005-12 MAXX Coilovers Engine Tuning Mandrel-bent piping ensures smooth bendsSpecial Notes Prior to installation, verify all hardware and properly tighten and spring preload is set to 5 10mm(1 4 3 8in). Our technical department is available to answer any other questions. Damping Levels 40 Level Height Adjustment Yes Spring Rate(Front) 6 kg mm (336 lbs inch) Spring Rate(Rear) 12 kg mm (672 lbs inch) Spring Length(Front) 150 mm Spring Length(Rear) 180 mm Front Top Mount Yes, Pillow Ball w Camber Plate Rear Top Mount Yes,