90° Female EFI Adapter

90° Female EFI Adapter – AN to Quick Connect Fuel Fitting (3/8” & 5/16”)

Upgrade your fuel system with the Fittings247 90 Degree Female EFI Adapter, engineered for high-performance EFI applications, LS engine swaps, and custom fuel setups. Designed to provide a secure, leak-free quick connect, this adapter allows seamless conversion from factory EFI lines to AN fuel systems.

Built from precision-machined billet aluminium, this 90° EFI fitting is ideal for tight engine bays, improving hose routing while maintaining maximum fuel flow and reliability.

✅ Key Features & Benefits

• 90° compact design – perfect for tight clearances and clean installs
• Female EFI quick connect – suits OEM fuel rails & hard lines
• AN compatibility – available in -6AN / -8AN configurations
• High-pressure rated – designed for EFI & E85 fuel systems
• Billet aluminium construction – lightweight, strong & corrosion resistant
• Leak-free seal – precision O-ring design for reliability

🔧 Common Applications

• LS1, LS2, LS3, LSX engine conversions
• EFI fuel system upgrades
• Return & returnless fuel systems
• Aftermarket fuel rails & regulators
• Street, race & performance builds

📏 Available Sizes

• 3/8” EFI → -6AN (most common LS size)
• 3/8” EFI → -8AN (high flow setups)
• 5/16” EFI → -6AN (smaller OEM lines)

⚙️ Why Choose Fittings247?

Fittings247 adapters are built for performance, durability, and ease of installation, making them the go-to choice for workshops, tuners, and DIY builders across Australia.

✔️ Designed for harsh automotive environments
✔️ Compatible with petrol, ethanol (E85), and race fuels
✔️ Trusted in high-performance and motorsport applications

🔥 How to Choose (Quick)

• LS swap / street car → AN-6 to 3/8 EFI
• Big HP / E85 → AN-8 or billet version
• Basic repair → standard GM EFI adapter