Description
Reliable tube nut fittings are non-negotiable in high-performance fuel and coolant systems where vibration, pressure spikes, and thermal cycling demand secure connections. These Allstar Performance aluminum tube nuts eliminate the risk of leaks and system failures by providing a consistent, repeatable grip on -3AN hardline tubing. Whether you’re building a race engine or maintaining a precision fuel delivery system, quality fittings are foundational to reliability.
- Size: -3AN fitting
- Tube diameter: 3/16 inch
- Material: Aluminum
- Finish: Black anodized
- Quantity: Pair (2)
- Installation: Bolt-on
- Manufacturer: Allstar Performance
- MPN: ALL50320






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