460 Series 1" Filler Cap & Weld Bung Assemblies gauge a Raw finish is required

a Raw finish is required for the sender to electrically ground

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

and methanol

Speedflow manufactures compression-style tube adapters designed to convert standard steel or aluminum tubing to AN fittings

460 Series 1" Filler Cap & Weld Bung Assemblies gauge a Raw finish is required1" 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!