in the dead of night, flooded local auto parts stores for locking gas-tank caps. We sold all our locking gas caps and our gas cans in several hours. Stant products include gas caps, automotive thermostats and more. Click Push-on locking gas caps require no turning to secure the cap on the filler neck Non-Locking Gas Caps, Fits, 1972-80 Chev/Gm Trucks, 75-87 Dodge Truck, 76-78 Non-Locking Gas Caps, Fits 1986-1989 Ford, Mazda & Mercury $ 7.89 Locking Gas Caps. Locking Storage Gas Cap. Item Number: MS572 for vehicles with screw-in style gas cap. Be the first to review "Locking Storage Gas Cap"