General description Performance Coilovers for Mazda3 BK BL 2.3 2.0 2.5 Hatchback Saloon (2004-2013) are designed to enhance your vehicle's performance while providing a comfortable ride. These coilovers are suitable for Mazda 3 BK (2004-2009) and Mazda 3 BL (2009-2013), including the Mazdaspeed 3. They offer a self-designed structure and a new manufacturing system that delivers quality without breaking the bank. Technical specifications Quantity: 2 pieces front + 2 pieces rear Height adjustable: lowering 25-75mm depending on vehicle models Damping: Not adjustable Spring Rate Front: 10kg/mm (560 lbs/in) Spring Rate Rear: 7kg/mm (392 lbs/in) Spring length Front: 200 mm Spring length Rear: 194 mm Spring Preload advised: 7-10 mm Camber: Not adjustable Installation All modifications must be installed by licensed mechanics and in compliance with local modification regulations. Ensure all components are tightened with the correct torque specifications, which can be found in the vehicle