SF Racing Air Struts for 2014-2017 Infiniti QX70 AWD (S51) FX37 SF Racing Track Coilovers for

SF Racing Track Coilovers for the 1998-2005 Audi A6 Quattro AWD (C5/4B) are engineered for enthusiasts who demand precision and control on the track

SF Racing Sport Coilovers for the 1988-1996 BMW 5 Series RWD (E34) are the best coilovers available for street-driven cars

SF Racing Sport Coilovers for the 2011-2015 Porsche 911 RWD (991

SF Racing Track Coilovers for the 1996-2003 Audi A3 FWD (8L) are engineered for enthusiasts who demand precision and control on the track

Part Number SF-AU03-19-TR Vehicle 2016+ Audi S4 Quattro Drivetrain AWD Chassis B9/8W Damper Model Track Series Damping Adjustability 1-Way: Rebound and Compression Damper Size - Front 52mm diameter Damper Size - Rear 46mm diameter Spring Rates - Front 12 kg/mm Spring Rates - Rear 10 kg/mm Top Mounts - Front Standard: Aluminum with Rubber Bushings

SF Racing Air Struts for 2014-2017 Infiniti QX70 AWD (S51) FX37 SF Racing Track Coilovers forSF Racing Air Struts for the 2014 2017 Infiniti QX70 AWD (S51) are engineered for enthusiasts who demand premium ride quality, aggressive stance, and full adjustability. Designed to work seamlessly with most major air management systems, these air struts provide the perfect balance between daily drivability and show quality fitment. Whether you're looking to slam your car for a clean stance at a car meet or raise it back up for a smooth ride home, SF