PTFE Lined braided high performance AN hose

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High Performance PTFE Hose – Braided AN Fuel Line for LS Swaps, EFI & More

Upgrade your fuel system with the best in the industry: PTFE hose from Hot Rod AN LLC. Designed for high-performance builds and professional automotive plumbing, our PTFE braided hose offers a leak-free, odor-free, and chemical-resistant solution that outlasts traditional rubber fuel hose. Whether you're building a track car, performing an LS engine swap, or updating your EFI system, this is the PTFE fuel line you can count on.

Our premium AN PTFE hose is available in AN6, AN8, and AN10 sizes, and comes in multiple outer braid styles, including stainless steel and black nylon with colored checks like silver, red, green, blue, yellow, orange, and purple. Style your engine bay without compromising performance.

Not sure what size you need? Check out our guide to AN hose sizing to choose the correct PTFE fuel hose for your application.

What is PTFE Hose and Why Is It Better?

PTFE hose (Polytetrafluoroethylene) is a chemically inert, non-reactive material that is highly resistant to fuel additives, ethanol blends like E85, and corrosive fluids. Unlike rubber hose that breaks down over time and allows vapors to escape, PTFE fuel line eliminates fuel odor in your garage and offers long-term reliability in high-heat, high-pressure conditions.

Benefits of Hot Rod AN LLC PTFE Braided Hose

  • ✅ PTFE core eliminates fuel vapor leaks and resists corrosion
  • ✅ Compatible with gasoline, E85, diesel, ethanol, methanol, oil, coolant, ATF, and more
  • ✅ Multiple outer braid options for color-matching or a clean stainless look
  • ✅ AN6, AN8, AN10 sizes available – ideal for fuel systems, trans coolers, vacuum, and more
  • ✅ Professional quality built to SAE 100R14 spec
  • ✅ PTFE plumbing experts – unmatched support and value

PTFE Hose Size Chart

Use this hose specification chart to select the proper size for your build:

AN Size Inside Diameter Outside Diameter Working Pressure Burst Pressure Min. Bend Radius
AN6 0.320" 0.478" 2500 PSI 10000 PSI 2.5"
AN8 0.420" 0.550" 2000 PSI 8000 PSI 3.5"
AN10 0.500" 0.650" 1500 PSI 5000 PSI 4.5"

Perfect For These Applications

  • ✅ High-performance fuel systems (EFI and carbureted)
  • ✅ LS engine swaps
  • ✅ E85 conversions
  • ✅ Transmission cooler lines
  • ✅ Vacuum line replacement
  • ✅ Street cars, drag builds, autocross, off-road rigs, resto-mods, and more

Important Note

To avoid leaks and ensure proper sealing, PTFE hose must be installed with PTFE-specific hose end fittings. Always pair your hose with the correct fittings — we recommend our Hot Rod AN PTFE Hose Ends for best results.

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Why Hot Rod AN LLC?

We specialize in PTFE plumbing systems – that’s all we do. Our focus means better customer support, a curated catalog with only the best performing components, and competitive pricing that makes us the go-to for hobbyists, racers, and professional builders alike.

When you’re ready to build your system with confidence, trust Hot Rod AN LLC for your PTFE hose and fittings.