Hardline Tube to AN Adapter Fittings Kit for FG05M & FG05N – Squarebody GM (AN6)

Upgrade your 1987 GM Squarebody fuel system with our Hardline Tube to AN Adapter Fittings Kit, perfectly designed to work with FG05M and FG05N EFI sending units. Whether you’re doing an LS swap or just modernizing your fuel system, this kit makes connecting your factory hard lines to AN6 plumbing simple and reliable.

✅ Product Features:

• Direct Fit for FG05M & FG05N Sending Units: Designed specifically for Spectra Premium part numbers FG05M and FG05N, commonly used in 1987 C10, K10, and other GM Squarebody trucks.
• Includes 3/8" & 5/16" Tube to AN6 Adapters: Seamless conversion from your factory hard lines to AN6 male adapters – no cutting or flaring required.
• Leak-Free Performance: Compression-style fittings grip OEM tubing securely, delivering consistent EFI pressure without leaks.
• Perfect for LS Swaps and EFI Conversions: These adapters are the missing link between your OEM sending unit and high-performance AN fuel line.

📦 What’s Included:

• 1x 3/8" Hardline to AN6 Male Adapter
• 1x 5/16" Hardline to AN6 Male Adapter

🧰 Compatible With:

• 1987 Chevy/GMC C10, K10, R10, V10, and other GM Squarebody trucks
• Spectra FG05M & FG05N EFI sending units

🔗 Recommended Products:

• PTFE AN Hose and Fittings Kits »
• LS Swap Fuel System Kits »
• Inline Fuel Filters »

🛠 Installation Tips:

• No special tools needed — standard wrenches are all it takes.
• Ensure hardline ends are clean and free from burrs before installing.
• Tighten just until snug. Over-tightening can damage aluminum fittings.

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