Dodge Srt4 all models Model Number : MR-CDK-SRT4 These are beautifully built and even allow the bottom mount to be adjusted without messing with shock travel unlike cheaper brands. The increased spring rates, stiffer shock setting and heavy-duty piston construction all add up to a suspension system that outperforms most suspensions that retail for almost twice the price. - Spring Rates: 8kg Front and 6kg Rear - 32 Levels of Adjustable Damper Strength - Pillow Ball Upper Mounts with camber adjustment - Rubber Dust Covers. - Wide-Range Adjustable Ride Height - Competition Spring Rates - Single-Cylinder Design - Aluminum Brackets 32 Levels of Adjustment: 1-8: Suggested for track use. 9-16: Suggested for mountain/aggressive use. 17-32: Suggested for common street use. - All coilover damper kits come with 1 year manufacture-defect warranty.