Fitment Information Chevrolet Impala 2000 2001 2002 2003 2004 2005; Except Police Car and Taxi Chevrolet Impala 2006 2007 2008 2009 2010 2011 2012 2013; Except Police Car and Taxi Specs & Features 32 way adjustable dampers (soft to firm) 8kg front and 5kg rear springs Includes front camber plates Height adjustment range of about 1" drop from max height to about 3" maximum drop Includes a full set of 4 One year warranty when purchased through Redline360 (an Authorized Rev9 Dealer) Part Number: R9-HS2-125 Product Description Looking for coilovers but don't want to break the bank? Rev9 budget coilovers are considered one of the best "cheap" coilovers on the market and provide you with features that are just not found on other coilovers in this price range.  Includes top hats and 32 way adjustable dampers with height adjustable shocks, these Rev9 coilovers are perfect for those who want to replace all of their shocks and have a height adjustable coilover suspension.   Excellent balance between comfort and performance and designed for those who daily drive their cars. Rev9 put these to the test and have compressed the springs over 600,000 times to ensure they are long lasting! Of those tests, the distortion rate was only 0.04% - meaning these are built to last! Redline360 is an authorized Rev9 dealer and Rev9 validates their warranty when you purchased through us.