460 Series 1" Filler Cap & Weld Bung Assemblies gauge Perfect for applications that require

Perfect for applications that require a seamless transition between tube and AN fittings

Hose tails are a simple solution for connecting a hose to your vehicle

At Speedflow

and methanol

The 520 Series straight hose ends incorporate a crimp collar and a full flow hose end

460 Series 1" Filler Cap & Weld Bung Assemblies gauge Perfect for applications that require1" Filler Cap & Weld Bung Speedflow designed and created this cap over 20 years ago, and it has since been copied and replicated worldwide! This non vented cap features an internal O ring that seals securely, providing a reliable hand tightened lock. The ergonomic finger grips make for easy operation. Whether you're fabricating a tank, need an oil filler, or have another special application, we have a cap thats perfect for your needs!