To make it very hard for a thief to steal your wheels, install two Gorilla Guard locking lug nuts (with spinning sleeves) opposite each other. If you only install one lock (any type), the wheel can be removed by jacking up the car and dropping the wheel, after removing the four regular lugs. The force of dropping the car will snap off the wheel stud (with the locking lug still attached). The lugs on our Challengers are 14mm X 1.5 mm conical. Use a 6-point 21 mm socket. Torque to 100 ft/lbs. The SRT forged aluminum wheels need 110 ft/lbs. Here is the site for the Gorilla Guard locks: Gorilla Automotive Products - Lug Nuts, Wheel Locks, Auto Security, Wheel Accessories
