Tein SKG90-AUB00 S.Tech Lowering Spring for Chevrolet Cavalier 2.4L Front spring rate: 3.2 kilogram per millimeter (179 pounds per inch) Rear spring rate: 1.9 kilogram per millimeter (157 pounds per inch) Front ride height: -43 millimeter (-1.7 inch) Rear ride height: -39 millimeter (-1.5 inch) Progressive spring rate design