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Van Security Upgrades For the Ford Transit and Ford Transit Custom Van owners can secure their belongings with a range of security enhancements. These include deadlocks, high-security locks, and a van slam. The Tibbe lock system uses rotating discs and a sidebar to prevent break-ins. Each disc is positioned in accordance with the angled cuts on the key blade. This system is extremely rugged and pick-resistant. High-security locks The standard lock for the door of the driver on the Ford Transit