Swift Sport Springs 06-13 Lexus IS250/IS350 RWD GSE20L GSE21L 4T040

Swift Sport Springs 06-13 Lexus IS250/IS350 RWD GSE20L GSE21L 4T040 IS250 Spring Rate Drop Front Rear Front Rear Kg/mm Kg/mm Inch Inch 5.4 4.6 -0.8 -0.6    IS350 Spring Rate Drop Front Rear Front Rear Kg/mm Kg/mm Inch Inch 5.4 4.6 -1.0 -0.8    Swift made Sport Springs keeps the quality ride you get from the showroom, and adds improved handling and lower ride height for driving enthusiasts and style minded drivers who demand only the best. Swift did not develop the Sport Springs line by simply dropping the ride height. Unlike other manufacturers whose sole focus was style, Swift approached the creation of these lowering springs with 3 goals. 1. Maintain or improve a smooth, comfortable ride.2. Increase handling by reducing body roll and squat in search of overall suspension balance.3. Lower the vehicle within tolerance of each vehicle's usable stroke. As you can imagine, keeping or improving the comfort level while increasing performance is not an eas