LS Engine Swap AN Fuel Line Install Kit – Return Style

Make your LS swap faster, cleaner, and show-ready with this complete AN fuel line install kit for Return Style LS engine swaps. Designed to eliminate the guesswork and elevate your build, this kit helps you finish your swap right — and in style.

The Challenge with LS Engine Swaps

Swapping an LS engine can be a major project, especially when it comes to plumbing the fuel system. You often need to source dozens of individual components, worry about compatibility, and hope that what you’ve picked will hold up to real-world performance. It’s frustrating, time-consuming, and leaves room for error.

Our Solution: The Hot Rod AN Return Style LS Swap Kit

This Return style LS fuel system kit simplifies the process by bundling the majority of the key components needed to install your fuel system quickly and cleanly. From PTFE-lined hose to custom-colored AN fittings, this kit not only works — it looks fantastic under the hood.

Why Builders Choose This Kit

• AN PTFE Hose & Fittings: Built for performance and available in custom colors to match your build.
• Show-Quality Appearance: Stand out at the car show or track day with engine bay details that impress.
• Supports Up to 600HP: Ready for naturally aspirated or mild boost setups.
• Lifetime Warranty: Backed by Hot Rod AN LLC — built to last as long as your ride.
• Complete Foundation: Includes the majority of needed parts to complete your return-style fuel line system. Remember the following to complete the kit
  • Adapter fittings for your sending unit
  • Inline fuel filter 10 micron or better
  • Fuel pump either in tank or inline
• Expert Support: Our techs are here to help you choose the right setup for your ride.

Perfect For:

• LS Engine Swaps in Cars, Trucks, SUVs, and Hot Rods
• DIY or Pro Performance Builds
• EFI Conversions Requiring Return-Style Fuel Systems

Recommended Add-Ons

• Factory Style Fuel Filter with AN Fittings
• AN Adapter Fittings Collection
• Walbro 255LPH Fuel Pump
• AN PTFE Hose Fittings
• PTFE-Lined AN Hose

Need Help or Custom Recommendations?

Visit our installation instructions or submit a custom build request to get help from the Hot Rod AN team.