[DavidG]

The company that supplied Ford with the locking caps offered a very similar product in the aftermarket both vented and non-vented. The lock cylinders and all of the parts attached to the cast base are the same. What are different are the cap covering the lock cylinder opening and the outside of the cap which is skinned in stainless steel unlike the chrome-plated version used by Ford. They show up at swap meets and on ebay with some frequency. They are possible alternative for those looking for a non-vented locking cap.