H&R 15-21 Mercedes-Benz C300 4MATIC Sedan (AWD) W205 Sport Spring Exhaust- Mufflers & Tips>Tips GMC Sierra 1500 2006-1999

GMC Sierra 1500 2006-1999

Both ride height and damping are easily adjustable in this design allowing for fine tuning your Corvette's stance and ride quality

Solid mounts give you a more responsive feel over the stock rubber bushings

Update Derringer firmware through iDash microSD card

Before any design goes into production it goes through rigorous tests that simulate severe driving conditions

H&R 15-21 Mercedes-Benz C300 4MATIC Sedan (AWD) W205 Sport Spring Exhaust- Mufflers & Tips>Tips GMC Sierra 1500 2006-1999Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicle's