Chassis 6Q/9N/9N3 Damper Model Track Series Damping Adjustability 1-Way: Rebound and Compression Damper Size - Front 52mm diameter Damper Size - Rear 46mm diameter Spring Rates - Front 7 kg/mm Spring Rates - Rear 3 kg/mm Top Mounts - Front Standard: Aluminum with Rubber Bushings
Part Number SF-BM02-10-TR Vehicle 2014-2017 BMW 3 Series Touring Drivetrain RWD Chassis F31 Damper Model Track Series Damping Adjustability 1-Way: Rebound and Compression Damper Size - Front 52mm diameter Damper Size - Rear 46mm diameter Spring Rates - Front 7
Part Number SF-VO10-03-SP Vehicle 2007-2016 Volvo XC70 MK3 Drivetrain AWD Chassis P26L/295 Damper Model Sport Series Damping Adjustability 1-Way: Rebound and Compression Damper Size - Front 52mm diameter Damper Size - Rear 50mm diameter Spring Rates - Front 9
Part Number SF-MB04-08-SP Vehicle 2014-2021 Mercedes-Benz C-Class Drivetrain AWD Chassis W205/S205 Damper Model Sport Series Damping Adjustability 1-Way: Rebound and Compression Damper Size - Front 52mm diameter Damper Size - Rear 46mm diameter Spring Rates - Front 14 kg/mm Spring Rates - Rear 12 kg/mm Top Mounts - Front Aluminum with Rubber Bushings 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 2002-2009 Volkswagen Polo MK4 (6Q/9N/9N3) are engineered for enthusiasts who demand precision and control on the track
SF Racing Air Struts for 2007-2013 BMW M3 Coupe (E92) 1972 Chassis 6Q/9N/9N3 Damper Model TrackSF Racing Air Struts for the 2007 2013 BMW M3 Coupe (E92) 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 Air