Sportline... Lowering For The Extreme. For North America, Eibach developed Sportline spring sets for those enthusiasts who wanted the lowest possible drop for their car in order to achieve that race car look. A vehicle equipped with Eibach Sportline springs makes a dramatic statement to even the most casual observer. It also gives you the ability to back it up with superior Eibach performance. The goal of our Sportline springs is to provide extreme lowering while at the same time, provide exceptional handling through precision engineered spring rates. As with our popular Pro-Kit, Sportline springs are designed by experienced suspension engineers and manufactured using the finest alloy spring wire available and under the same Eibach quality standards. Sportline puts it all together, Race-Car looks, sportive handling and Eibach proven quality