Lol, the locking Tank Warden gas cap would come out way before I consider EasyFill, which invites vandals to contaminate still.Don't let these guys steer your efforts in the wrong direction... the correct priority is:
1. Dead Pedal
2. Dead Pedal
3. Dead Pedal
4. Easy-Fill / Flow-Thru Gas Cap for the 7.3 (similar to F150, Explorer, etc).
5. Ditch Lights
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