General description The Performance Coilovers are designed for Subaru Impreza WRX, WRX STI, and Forester models, providing adjustable height for a customized ride experience. This kit lowers your vehicle, enhancing its stance and handling characteristics. Technical specifications Applications: Subaru Impreza WRX 2000.08-2007.06 GDA GD9 GGA, Subaru Impreza WRX STI 2000.10-2004.06 GDB, Subaru Forester SG 2003-2008, Saab 9-2X 2005-2007 GGA GGE Adjustable height: 1" to 3" Front coilover length: 410mm-500mm Rear coilover length: 600mm-670mm Spring rate Front: 9 kg/mm (504 lbs/in) Spring rate Rear: 7 kg/mm (392 lbs/in) Spring length front: 190mm Spring length rear: 220mm Shock type: Twin tube Spring Preload: 7-10 mm Installation Professional installation and alignment are suggested for optimal performance. Usage The coilovers allow for height adjustment while installed on the vehicle, providing flexibility in tuning your suspension setup. The pillow ball top mount enhances steering feel and