Motorad Fuel Cap Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year. Prop 65: WARNING: Cancer and Reproductive Harm - www.p65WARNINGs.ca.gov Tethered: No Cam Type: Twist-Lock Color: Silver Lockable: No Type: Non-Locking Vented: Yes