Fuel theft is a legitimate concern.  Truck manufacturers have a tendency to install flimsy anti-siphon devices that can be easily breached.

With this anti-siphon device you can rest easily knowing your fuel isn't being stolen while you sleep or leave your truck unattended.

The solid one piece construction prevents a thief from knocking a hole in the bottom of the anti-siphon device.

The tamper ring makes it extremely difficult to remove this anti-siphon device.

Easily installs in minutes, instructions and installation tools are all included

This product only fits fuel tanks with a 3" wide filler neck, please verify your filler neck size before ordering.