SF Racing Air Struts for 2011-2017 BMW X3 xDrive AWD (F25) RWD SF Racing Track Coilovers for

SF Racing Track Coilovers for the 2008-2013 Infiniti FX35 (S51) are engineered for enthusiasts who demand precision and control on the track

Part Number SF-SU01-06-AS Vehicle 2008-2014 Subaru WRX STI 2

Part Number SF-MB07-05-TR Vehicle 2012-2017 Mercedes-Benz CLS Shooting Brake Drivetrain AWD Chassis X218 Damper Model Track Series Damping Adjustability 1-Way: Rebound and Compression Damper Size - Front 52mm diameter Damper Size - Rear 50mm diameter Spring Rates - Front 10 kg/mm Spring Rates - Rear 18 kg/mm Top Mounts - Front Standard: Aluminum with Rubber Bushings

SF Racing Track Coilovers for the 2006-2008 Audi RS4 Quattro AWD (B7/8H) are engineered for enthusiasts who demand precision and control on the track

SF Racing Air Struts for 2011-2017 BMW X3 xDrive AWD (F25) RWD SF Racing Track Coilovers forSF Racing Air Struts for the 2011 2017 BMW X3 xDrive AWD (F25) are the best coilovers available for street driven cars. SF Sport Coilovers were designed to give a wide range of ride height adjustability without reducing the spring travel. Each corner of the car has 32 levels (or clicks) of damping adjustability. This combines both the rebound and compression into one adjustment knob. The coilovers also use rubber top mounts to help reduce the noise