Fitment Information Acura TSX (2009, 2010, 2011, 2012, 2013, 2014)  Specs & Features Lowers 2.0" Front and 1.75" Rear Spring Rates: 390 lb front and 220 lb rear Includes all 4 lowering springs Works with factory shocks or aftermarket shocks that fit stock springs Product Description Looking for a cheap way to lowering your car? Manzo lowering springs (also known as M2 Lowering Springs) are a great way to lower your car with an aggressive drop without paying a premium price.  Manzo has developed their lowering springs to provide a great balance between handling, performance and daily drivability. Manzo Lowering Springs Feature: Aggressive lowering Performance spring rates Comfortable ride for daily driving Works on factory or factory style shocks and struts Direct replacement for your stock springs Comes as a complete set of 4 springs Redline360 is an authorized Manzo dealer.  Buying from Redline360 gives you full product support from Manzo.