Godspeed Porsche 911 RWD (997) 2005-12 MAXX Coilovers Engine Tuning Standard 17mm or 19mm sockets

Standard 17mm or 19mm sockets work depending on the nut's hex size

Traction control

Mounting hardware is not included — you'll use your factory fastener points

These taillights are an absolute stunner

Godspeed Porsche 911 RWD (997) 2005-12 MAXX Coilovers Engine Tuning Standard 17mm or 19mm socketsSpecial 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,