Tein SKA92-AUB00 S.Tech Lowering Spring for Honda Civic Front spring rate: 5 kilogram per millimeter (280 pounds per inch) Rear spring rate: 9.2 kilogram per millimeter (274 pounds per inch) Front ride height: -34.5 millimeter (-1.4 inch) Rear ride height: -32 millimeter (-1.3 inch) Progressive spring rate design