General description maXpeedingrods B3 coilovers are designed for Subaru Impreza WRX and WRX STI models from 2000 to 2004, providing adjustable height and damping for enhanced ride quality across various road conditions. These coilovers are suitable for street use and feature a 24-level rebound damping control, allowing for precise tuning of your suspension setup. Technical specifications Height adjustable: Yes, lowering range 25-75mm depending on vehicle model Damping adjustable: 24 levels of rebound damping force Front top mount: Pillow ball with camber plate Rear top mount: Pillow ball Camber adjustable: Front only Spring Rate Front: 9 kg/mm (504 lbs/in) Spring Rate Rear: 7 kg/mm (392 lbs/in) Front spring inner diameter: 70.5 mm Rear spring inner diameter: 70.5 mm Spring length Front: 190 mm Spring length Rear: 250 mm Shock type: Twin tube Spring Preload: 7-10 mm Package includes: 2x Front coil-overs, 2x Rear coil-overs, 2x C spanners Compatibility and accessories For Subaru Impreza