Beefy 6AN Male To 3/8 Inch And 5/16 Inch SAE Quick Disconnect Female Push On EFI Fuel Rail Fittings Two Pack Aluminum 6061-T6 1500 PSI Working Pressure 37 Degree Seal EFI High Flow Fuel Line Adapters

Beefy 6AN to 3/8 and 5/16 SAE EFI Fittings, 2-Pack
✔️ Aluminum 6061-T6, 1500 psi, -40 to 176°F, 9/16-18UNF, 14.29 mm

These EFI fuel rail connections are heavy-duty aluminum adapters designed to seal with 37-degree flare, delivering high-flow performance in engine builds. They’re ideal for LS swaps, fuel rails, transmission coolers, and return lines in both street and race cars.

✅ 6AN thread size 9/16-18UNF; ID options 3/8" and 5/16" lines
✅ 37-degree seal resists leaks and handles high pressure
✅ Working pressure 1500 psi; -40°F to 176°F operating range
✅ Material: aluminum 6061-T6; spring lock is plastic
✅ Pack of two fittings in each set

💡 What is an EFI fuel line fitting used for in performance engines? This handy connector keeps high-pressure fuel lines sealed and flowing in race or street builds.
- Handy for secure hose connections in tight engine bays
- Withstands up to 1500 psi and wide temperature range
- Made from aluminum 6061-T6 with a 37-degree seal
- Ideal for fuel rails, LS swaps, return lines, and sensors