Unity automotive has over 50 years of experience manufacturing parts in the aftermarket automotive industry. The company offers superior quality, specializing in making rock solid auto parts that withstand the test of time. With a true understanding of their marketplace they have become the industry leader in innovation of aftermarket suspension. Unity automotive delivers top of the line quality suspension parts made to insure a trouble-free installation and long-lasting reliability. The Elite Suspension Air Shock Replacement Line powered by Unity introduces both Remanufactured OE and OE Design (Electronic and Non-Electronic) Air Shock Absorber and Fully Assembled Air Compressor Bundles. This bundle provides an ideal solution to worn, leaky air shocks. Replace your worn air shocks while using existing suspension components to minimize your repair time. The kit includes 2 replacement air shock absorbers and a fully assembled air suspension compressor that will work flawlessly with your original equipment suspension, providing a smooth comfortable ride. This Product Fits: 2008-2009 Cadillac CTS, 2004-2009 Cadillac SRX, 2005-2011 Cadillac STS