This coilover lowering kit is designed for 2010–2016 Coupe 2-door vehicles.It includes front and rear adjustable-height coilover units with integrated springs.Ride height can be lowered by approximately 1 to 3 inches compared to specifications.The system features independent ride height and spring preload adjustment.Constructed with a twin-tube design, the coilovers include camber plates for camber angle adjustment.Springs are made from 55CrSi steel, cold-formed for consistent dimensions.Shock bodies feature an anti-corrosion coating.Hardware includes CNC-machined aluminum components.Spring rates are 6 kg/mm (336 lbs/in) front and 9 kg/mm (504 lbs/in) rear.Dampers are non-adjustable.Includes two front and two rear coilover assemblies, two sway bars, and one pair of height adjustment wrenches.