6AN Fuel Adapter 3/8 Inch And 5/16 Inch Quick Connect EFI Fuel Rail Fittings Aluminum Male To Female Adapters For Performance Fuel System Durable Aluminum Construction With Leak Free Seals And Easy Install

Premium 6AN fuel adapters for EFI systems with secure seals
✔️ 9/16-18 UNF thread, 3/8 and 5/16 inch ID, 6061-T6 aluminum build for 1500 PSI and -40°F to 250°F range

These fuel adapters are essential connectors for high-performance automotive setups, commonly found in EFI fuel systems, engine swaps, and transmission lines to ensure reliable fuel delivery without leaks.

✅ Precise 9/16-18 UNF thread with 3/8 and 5/16 inch inner diameters for exact fits
✅ 37-degree sealing angle for leak-proof connections and steady fuel flow
✅ Built from tough 6061-T6 aluminum, handles up to 1500 PSI and temps from -40°F to 250°F
✅ Works great in EFI rails, LS swaps, coolers, and fuel sensors for various car mods

💡 Why go for aluminum fuel adapters in high-pressure setups? They're a solid pick for boosting car performance. Here's how they stack up: - Offer reliable pressure handling up to 1500 PSI for smoother engine runs - Deliver tight seals that cut down on fuel loss in tough conditions - Fit neatly into EFI systems, making installs quicker for DIY enthusiasts - Last longer in extreme temps, keeping your ride dependable on the road