Product details:
High Tech is made from a new material called "Vanadium" which is much lighter then other spring and increases flexibility. Features All spring are designed specifically to fit each car for maximum performance About a 1 inch drop for a more attractive appearance Comfortable ride quality is still maintained by using the OEM bump rubber and noise protection sheet (available for most model)Spring Rate (F): 252lbs/in (4.5kgf/mm)Spring Rate : 185lbs/in (3.3kgf/mm)Ride Height (F): -1.5 inch (-39mm)Ride Height : -1 inch (-26mm)