Progressive Spring - Civic EK4,EK9

Using a normal damper, the height of the vehicle can be lowered, roll on winding roads can be suppressed, and both steering and safety can be improved accordingly. Lowers the car's center of gravity stiffens suspension for improved handling without sacrificing ride quality. Lowers about 20mm. Spoon Progressive Spring Rates: Front 6.5 kg/mm, Rear 5.5 kg/mm. (Stock Sping Rates: Front 3.6 kg/mm, Rear 2.0 kg/mm)