Fragola Performance Systems 499550 Male Aluminum Weld Bung with Diameter Step AN Fitting - 3AN 0.750

The Fragola Performance Systems 499550 is a high-quality aluminum weld bung designed for professional fluid system installations in racing and performance applications. This -3AN male weld bung features a 0.750-inch diameter stepped flange that provides a secure welding surface and proper positioning in fuel cells, oil pans, and custom plumbing systems.

Key Features:

• -3AN male threads (3/8"-24 thread pitch) for standard AN fittings
• Lightweight aluminum construction for corrosion resistance
• 0.750-inch diameter flange step for secure weld-in installation
• Precision-machined threads ensure leak-free connections
• Universal application for fuel systems, oil systems, coolant lines, and more
• Made by Fragola Performance Systems in their Connecticut facility

This weld bung is ideal for custom fabrication projects where permanent AN fitting ports are needed. The stepped design provides proper support and makes it easier to achieve clean, strong welds. Compatible with all standard -3AN hose ends and fittings for maximum versatility in your plumbing setup.