Hotchkis Sport Springs 05-07 Chrysler 300C SRT8 - P/N: 19105 Product Model: HOT-19105 When we decided to manufacture coil spring for the 300C SRT8 we took our time and researched other springs on the market. With those springs in mind we found a great combination of performance and comfortable ride characteristics. Our springs feature a linear rate design, and come complete with urethane bump stops. Note: Not for vehicles with load leveling suspension Spring Rate: Front: 280lb Rear: 650 lb 300C SRT8 Drop:Front: 1/8" Rear: 5/8" Charger SRT8 Drop : Front: 1/4" Rear: 3/4" Fits 2wd Hemi Only