Part Number SF-AU03-11-TR Vehicle 2005-2008 Audi S4 Quattro Drivetrain AWD Chassis B7/8H Damper Model Track Series Damping Adjustability 1-Way: Rebound and Compression Damper Size - Front 50mm diameter Damper Size - Rear 46mm diameter Spring Rates - Front 14 kg/mm Spring Rates - Rear 8 kg/mm Top Mounts - Front Not Applicable Top Mounts - Rear Not Applicable Suspension Design - Front True Coilover Suspension Design - Rear Divorced (Separate shock and spring) Fitment Notes -
SF Racing Track Coilovers for the 2001-2007 Mercedes-Benz C-Class (W203) are engineered for enthusiasts who demand precision and control on the track
SF Racing Track Coilovers for the 2019+ Ford Focus ST (C519) are engineered for enthusiasts who demand precision and control on the track
Part Number SF-PO03-04-TR Vehicle 2004-2008 Porsche 911 Drivetrain AWD Chassis 997
SF Racing Track Coilovers for the 2012-2020 Audi A3 Quattro AWD (8V) are engineered for enthusiasts who demand precision and control on the track
SF Racing Air Struts for 2014-2019 Chevrolet Impala (GMX352) 2013 Part Number SF-AU03-11-TR Vehicle 2005-2008SF Racing Air Struts for the 2014 2019 Chevrolet Impala (GMX352) 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,