Universal Aluminum Weld-On Filler Neck With Screw Cap – CNC Gas/Oil Tank Bung

Building a custom tank?

Hot rod, motorcycle, race car, whatever—you need a filler neck.

This is a universal aluminum weld-on bung with a screw cap.

CNC machined, so it's precise.

100% leak tested, so no worries about fuel leaks.

It's made for gas or oil tanks.

Just cut a hole, weld it on, and you've got a professional-looking filler.

The cap screws on tight—keeps dirt and moisture out.

Material is aluminum, so it's lightweight and won't rust.

Unbranded, but quality is solid.

Universal fitment, so it'll work on almost any custom tank project.

Placement is engine compartment or wherever your tank is.

If you're fabricating, this saves a ton of time.