TuningPros LS-099-B Lowering Springs Kit Blue Set of 4 Color: Blue; Lower rate: 1.0-Inch Front, 0.75-Inch Rear ; Spring rate: 280F & 230R Constructed from Japan SAE 9254 cold wounded steel; Corrosion-Protected with phosphate and powder coatings Spring rates specifically tuned for handling and comfort; Provide exceptional response, control and balance Sold as a complete set of 4 springs; Compatible with OEM stock or aftermarket shocks Custom fit for your vehicle; This part is guaranteed to fit: Hyundai Sonata 2011-2012 2.4L Only (Not fit on 2.0L)