Riaction sports coilover kits are designed for street cars which are looking for lower ride height, better handling, and greater comfort. Each set of Riaction USA coilovers are made from high quality materials with precision design, to ensure a reliable and durable product that performs. We proudly stand by all of our products, and each Riaction USA sports coilover kit comes with a standard 2 year factory warranty against any factory defects. Coilover Kit Features: Full Length Ride Height Adjustment 32 Damping Adjustment Levels Mono-Tube Damper Design Seamless 52mm Electroplated Carbon Steel Shock Body O.D. 20mm Piston Rod For McPherson Suspension O.D. 14mm Piston Rod For Non-McPherson Suspension Unique 44mm High-Flow CNC 6061 Aluminum Piston Unique Thinned CNC 6061 Aluminum Floating Piston Polyurethane Oil Seal SAE9254 Cold-Wound Spring Multi-Thickness Valving Shims Unique Low-Gas Pressure Design 7.5w Compounded Suspension Fluid Fully Rebuild-able-Wound Spring Multi-Thickness Valving Shims Unique Low-Gas Pressure Design 7.5w Compounded Suspension Fluid Fully Rebuild-able