Left. Right. Stabilizer bar nut. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Air Injection System Check Valve. Brake Master Cylinder Nut. Catalytic Converter Nut. Engine Intake Manifold Nut. Exhaust Flange Nut. Exhaust Pipe Nut. Junction block mounting Nut. Nut that secures Suspension Stabilizer Bar Bracket. Power Brake Booster Nut. Suspension Stabilizer Bar Link Nut. To Control Arm. Brake Master Cylinder. Catalytic Converter. Converter and Pipe. Engine Intake Manifold. Exhaust Flange. Power Brake Booster. Secondary Air Injection Pump Check Valve. Suspension Stabilizer Bar Link. Suspension Sway Bar Bracket. Included with: Junction block.