Tein SKK04-AUB00 S.Tech Lowering Spring for Nissan 370Z<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Front spring rate: 8.5 kilogram per millimeter (476 pounds per inch)</li><li>Rear spring rate: 9.4 kilogram per millimeter (302 pounds per inch)</li><li>Front ride height: -22 millimeter (-0.9 inch)</li><li>Rear ride height: -19 millimeter (-0.7 inch)</li><li>Progressive spring rate design</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51f4o-rERNL.jpg" noproxy>