Prevents Fuel Theft. Protect your Challenger's fuel with the SpeedLogix Locking Gas Cap. This premium locking gas cap offers an added layer of security, ensuring that your fuel stays where it belongs, safe from theft and tampering. Crafted with durability in mind, this locking gas cap features a robust construction and a corrosion-resistant black finish, ensuring it withstands the elements and the test of time. The secure locking mechanism provides enhanced fuel security, giving you peace of mind whether you're parked at home or on the go.Installation. This product is easy to install and should take only a few moments. Application. The SpeedLogix Locking Gas Cap fits 2008-2023 Challenger models.