SF Racing Air Struts for 2011-2015 Kia Optima (TF) Cube SF Racing Track Coilovers for

SF Racing Track Coilovers for the 2007-2012 Buick Park Avenue (SGM710) are the best coilovers available for street-driven cars

Chassis RU Damper Model Track Series Damping Adjustability 1-Way: Rebound and Compression Damper Size - Front 52mm diameter Damper Size - Rear 46mm diameter Spring Rates - Front 10 kg/mm Spring Rates - Rear 12 kg/mm Top Mounts - Front Standard: Aluminum with Rubber Bushings

SF Racing Sport Coilovers for the 2010-2017 Mercedes-Benz E-Class Coupe (C207/W207) are the best coilovers available for street-driven cars

Chassis XX40 Damper Model Sport Series Damping Adjustability 1-Way: Rebound and Compression Damper Size - Front 52mm diameter Damper Size - Rear 52mm diameter Spring Rates - Front 8 kg/mm Spring Rates - Rear 3

SF Racing Air Struts for 2011-2015 Kia Optima (TF) Cube SF Racing Track Coilovers forSF Racing Air Struts for the 2011 2015 Kia Optima (TF) 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 that