GFB 5740 5/16″ Hose Barb to 1/8″ NPT Male

The GFB 5740 5/16″ Hose Barb to 1/8″ NPT Male fitting by Go Fast Bits is a specific-sized fuel system adapter designed to connect a 5/16” (8mm) fuel hose to a 1/8” NPT port, commonly found on the FX-S Fuel Pressure Regulator (Part #8050).

This fitting provides a secure, leak-resistant connection between rubber fuel hose and threaded regulator ports, making it essential for clean and reliable fuel system plumbing.

🔧 GFB 5740 5/16″ Hose Barb to 1/8″ NPT Male  Key Features & Benefits

• 5/16″ Hose Barb to 1/8″ NPT Male – Direct hose-to-thread connection
• Suits GFB FXS 8050 Regulator – Designed as a matched replacement fitting
• Fuel System Ready – Ideal for fuel pressure regulator plumbing
• Secure Hose Fitment – Barbed end ensures tight grip on fuel hose
• Precision Machined – Reliable sealing and durability under pressure

🚗 Application & Compatibility

• Specifically designed for:
  • GFB FX-S Fuel Pressure Regulator (8050)
• Also suitable for:
  • Any system requiring 5/16″ hose to 1/8″ NPT connection

Common uses:

• Fuel pressure regulator hose connections
• Vacuum/boost reference plumbing
• Custom fuel system setups

⚙️ Product Overview

The GFB 5740 is a simple but critical fitting used to:

• Connect flexible fuel hose to threaded regulator ports
• Maintain proper fuel flow and pressure
• Ensure a clean, professional install

✔ This is a specific replacement fitting, not a universal AN adapter — sized to match GFB regulator ports exactly.