05 06 07 08 09 10 Chevy Cobalt & SS M2 Performance Lowering Springs Approximated Lowering Rate: 1.25" front and rear for Base, 1/2" Front & Rear for SS High Quality Cold Wounded Steel Material. Complete Set (Two Front and Two Rear) Improve handling, yet maintains smooth and comfortable ride characteristics. 2005 2006 2007 2008 2009 2010 Chevy Cobalt & SS