Left.W/AIR SUSPENSION. Lower. Right.W/AIR SUSPENSION. Shock nut. A solid metal or plastic bLock with a threaded hole in the center which is used to tighten or adjust the Active Suspension Air Spring. A solid metal or plastic bLock with a threaded hole in the center which is used to tighten or adjust the Brake Cooling Duct. Lateral Arm Nut. Mounting Nut for Suspension Shock Absorber. Part cannot be reused/reinstalled. Part included in Shock assembly. Rack and Pinion Nut. Steering Gear Nut. Suspension Control Arm Nut. Suspension Crossmember Nut. Suspension Stabilizer Bar Link Nut. Suspension Strut Mount Nut. Suspension Strut Nut. Suspension TRack Bar Nut. To Knuckle. To Suspension Strut. Included with: Shock assembly.