TuningPros LS-083-B Lowering Springs Kit Blue Set of 4 Color: Blue; Lower rate: 1.5-Inch Front, 1.5-Inch Rear ; Spring rate: 280F & 250R 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: Chrysler 300 2005-2010 V6 Only (Not fit on V8 model)