Tall Filler Bung

Tall Weld-In Filler Bung – 1.25"-12 Thread, Mild Steel

This tall weld-in filler bung is a modified version of our popular flanged filler bungs, designed for builders who want a bit more height on their filler neck. With an overall height of 1.25", this bung gives you extra clearance or styling flexibility—perfect for custom gas tanks, oil tanks, or other fluid reservoirs.

It’s threaded at 1.25"-12, making it fully compatible with all Bung King brass and aluminum filler caps. Whether you're going for a vintage brass look or a clean aluminum finish, this bung fits seamlessly with your existing components.

Made from durable 1-5/8" diameter mild steel, it’s ideal for welding into steel tanks and offers a clean, professional finish once installed.

Product Features:

Material: 1-5/8" O.D. Mild Steel

Thread Size: 1.25"-12 – compatible with all Bung King filler caps

Overall Height: 1.25" tall for extended filler neck clearance

Great for gas tanks, oil tanks, or any steel fluid container

Weld-in design for custom builds

Made in the USA

Add both function and flexibility to your custom tank setup with this taller version of our classic weld-in filler bung.