General description This Street Coilovers Suspension Kit is designed specifically for the Mazda RX-8 SE3P models from 2004 to 2011. It enhances the vehicle's performance by allowing for adjustable height and damping, providing a customizable driving experience tailored to your preferences. Technical specifications Application: Mazda RX-8 FE, SE 2004-2011 Wankel Coupe RWD 1.3 Height adjustable: Yes, lowering range of 25-75mm depending on vehicle model Damping adjustable: 24 levels of rebound damping force Spring Rate Front: 10 kg/mm (560 lbs/in) Spring Rate Rear: 6 kg/mm (336 lbs/in) Front spring inner diameter: 70.5 mm Rear spring inner diameter: 70.5 mm Spring length Front: 180 mm Spring length Rear: 160 mm Spring Preload advised: 7-10 mm Usage For comfortable driving, set damping to full soft. For spirited driving, set damping to 16 clicks. For occasional track days, set damping to full stiff. Other information Adjustable pre-load spring tension to reduce shaking motion. Adjustable