New Rear Electronic Suspension Conversion Kit to Standard Shock Absorbers with Bypass. Order Includes: 2 Rear Shocks, Resistors. 2005 - 2011 Cadillac STS. UPS is our preferred shipper and they do not deliver to P. The part must be unused, in its original package, and must be in resellable condition.For All Your Air Suspension Needs!!! Suite 6 Boynton Beach FL 33426. The item "FOR 2005-2011 CADILLAC STS REAR SUSPENSION SHOCKS & RESISTORS CONVERSION KIT" is in sale since Wednesday, April 27, 2011. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Suspension & Steering\Shocks & Struts". The seller is "suncore" and is located in Pompano Beach, Florida. This item can be shipped to United States, Canada.