H&R Sport Springs specifically designed to suit the Porsche 911 C4 C4S C4 Targa 2005 OnSpecial Notes: C4, C4S, C4 Targa 4WD Only Suits PASM & Non PASMSport Spring Kits are H&R's number one selling product. In addition to lowering your vehicles center of gravity and reducing excessive body roll for better handling, H&R Sport Springs also improve the look of your vehicle by reducing the disproportionate wheel arch gap associated with stock suspension. H&R Sport Springs' progressive spring rate provides superb ride quality and comfort, if you are only going to improve one aspect of your vehicles suspension, H&R sport springs are the best bang-for-your-buck suspension upgrade that you can make. H&R Sport Springs Features:- Lowers vehicle ride height by 20-25mm- Improved Handling and lower centre of gravity- Reduces excessive wheel arch gap- Superb ride qualityProduct Code: 29188-2