Fragola Performance Systems 499520 -10AN Female Weld Bung with 1.0 Inch Diameter Step

The Fragola Performance Systems 499520 is a -10AN female weld bung featuring a 1.0-inch diameter step designed for custom plumbing applications in racing and high-performance vehicles. This precision-machined aluminum bung allows you to create permanent AN fitting ports in fuel tanks, oil pans, intake manifolds, and other custom fabrication projects.

Key Features:

• -10AN female thread (7/8-14 UNF) accepts standard -10AN male fittings
• 1.0-inch diameter stepped design for secure welding installation
• Manufactured from aerospace-quality aluminum for lightweight durability
• Machined to mil-spec tolerances for reliable, leak-free performance
• Compatible with fuel, oil, coolant, and other automotive fluids
• Professional-grade quality for racing and performance applications

This weld bung is ideal for custom fuel system fabrication, dry sump oiling systems, turbo oil drain applications, and any project requiring permanent AN fittings. The stepped diameter provides a positive positioning reference for welding and ensures proper alignment. Made in Fragola's Connecticut facility with the same quality standards that have made them a trusted name in performance plumbing components.