Single Stabilizer Kit NX2 Shock 16 19 GM K2500 HD 2010 cadillac escalade base esi4675190 Multiple spring rate options are FQMS_ZONF1611 Multiple spring rate options are also available The A Arms are designed to incorporate optimum pivot ball joints to allow for faster & easier alignment and greaseable to increase life & flexibility The BDS NX2 Stabilizer uses a pressurized nitrogen charged twin tube design with 10 stage velocity sensitive valving for lightning fast dampening adaptive to whatever terrain you traverse on or off road The 2 inch bodied shocks use a large 1 3 8 inch fluon banded piston self lubricating seals and a 14mm hardened chrome shaft to help resist rock chips and corrosion