Left. Right. A solid metal or plastic bLock with a threaded hole in the center which is used to tighten or adjust the Suspension Strut Fork. A solid metal or plastic bLock with a threaded hole in the center which is used to tighten or adjust the Transmission Support. Part cannot be reused/reinstalled. Steering Knuckle Nut. Suspension Control Arm Nut. Suspension Stabilizer Bar Link Nut. Suspension Strut Mount Nut. Suspension Strut Nut. To Suspension Stabilizer Bar.