H&R Street Performance coilovers feature an innovative mono-tube gas shock construction, the perfect suspension solution for 02-07 Subaru WRX & STI owners who can appreciate precise handling and superb ride comfort. Using premium quality materials, H&R engineers fine-tune each Street Performance kit with progressive rate springs to ensure better handling and a premium ride. H&R Street Performance coilovers feature a fully threaded custom shocks, allowing you to modify vehicle height using easy to adjust spring seats. Adjustable height control allows you to dial in your 02-07 Subaru WRX & STI to look and handle according to your own personal style. All H&R Street Performance coilovers are fully designed and tested in-house at the H&R headquarters in Germany.