Motorad T61 Radiator Cap Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems. Indicator Markings: Yes Indicator Markings Color: Yellow Meets or Exceeds Original Equipment Manufacture Specifications: Yes Pressure Rating (PSI): 18 Pressure Release Lever: No Pressurized: Yes Prop 65: WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov SAE Pressure Range (PSI): 16-20 Attachment Type: Threaded Cap Depth: 1.42 in Cap Finish: Matte Black Color: Black Coolant Recovery System: Yes Filler Neck Height: 0.50 in Filler Neck Inside Diameter: 1.20 in Filler Neck Outside Diameter: 1.95 in Height: 1.42 in Lever Type: No Material: Plastic, Rubber Maximum Pressure: 18 psi Quick Pressure Release: No Shape: Round Shell Outside Diameter: 2.14 in Type: Standard Valve Outside Diameter: 1.20 in Vented: Yes Width: 2.14 in