General description The Coilovers Kit is designed specifically for Nissan S13 models, including the 180SX, 200SX, 240SX, Silvia, and Sileighty, manufactured between 1989 and 1997. This kit allows for adjustable lowering of your vehicle, enhancing its stance and performance. Technical specifications Adjustable Height: Yes, lowering from 1" to 3" Damping: 24 levels of rebound damping adjustable Top mounts: Pillow ball top mount with camber plate (front), standard rubber top mount (rear) Front Spring Rate: 8 kg/mm (448 lbs/in) Rear Spring Rate: 7 kg/mm (392 lbs/in) Shock type: Twin tube Spring Preload: 7-10 mm Warranty: 2 years for any manufacturing defect Installation Complete suspension kit includes 4 shock absorbers and 4 springs for easy installation Height can be adjusted with coilovers installed on the vehicle Professional installation and alignment suggested Usage Lowered height adjustment enhances center of gravity and aggressive stance Camber plate top mounts eliminate the need