EVIL ENERGY 6AN PTFE Fuel Line Kit 26ft — E85-Compatible AN6 Nylon-Braided Hose, High Temp/Pressure

EVIL ENERGY's 6AN PTFE fuel line kit is a 26-foot, E85-compatible AN6 PTFE hose assembly designed for high-temperature, high-pressure EFI and LS swap fuel systems.

This kit combines a smooth PTFE inner tube with a durable nylon braid and AN6 fittings to support modern fuels, including E85. Built to withstand a wide temperature range and high pressures, the hose is suitable for engine swaps, performance builds, and any installation that requires chemical resistance and reliable flow. Read on to see how its specifications translate to real-world installations, handling, and compatibility.

How does this hose handle different fuels like E85 and gasoline?

The PTFE inner core is chemically inert and resists swelling or degradation from ethanol-blended fuels, diesel, and standard gasoline. This makes the hose appropriate for flex-fuel or E85 applications where ordinary rubber lines would deteriorate over time.

• Material: PTFE inner liner resists ethanol, additives, and most solvents.
• Application: Suitable for E85, gasoline, diesel, lubricants, and many coolants.
• Longevity: Lower fuel permeability and increased chemical resistance versus rubber hoses.

What temperature and pressure can this fuel line withstand?

Engineered for demanding environments, the hose operates across a wide temperature window and supports high system pressures common in EFI setups. It also has a significant burst safety margin for performance applications.

• Operating temperature: -76°F to 446°F (-60°C to 230°C).
• Maximum working pressure: 1,500 PSI.
• Burst pressure: rated to 4,500 PSI for safety headroom.

Will this kit fit my LS swap or AN6 fuel system project?

The kit is built to AN6 (6AN) sizing with a PTFE ID of 5/16" (0.31") and OD of 0.45" to match common AN6 fittings and EFI components. It provides 26 feet (7.9 m) of hose, giving flexibility for routing in engine swaps or custom fuel lines.

• Size: PTFE 6AN fuel line inner diameter 5/16" (0.31 inch); outer diameter 0.45 inch.
• Length: 26 ft (7.9 m) — measure your required runs before ordering.
• Compatibility: Designed to pair with AN6 fittings and many aftermarket EFI components.

How should this hose be installed and maintained?

Because PTFE-lined hoses are stiffer than rubber lines, careful routing and professional crimping or fitting installation are recommended to avoid kinks or strain. Proper clamps and secure mounting points will prevent abrasion and extend service life.

• Handling: Hose is relatively rigid; avoid tight bends or folding.
• Installation: Professional installation and correct AN6 fittings/crimps are advised.
• Maintenance: Inspect fittings and braid for wear; replace if damaged or frayed.

Who is this for? This EVIL ENERGY 6AN PTFE fuel line kit is aimed at mechanics, tuners, and DIY builders doing LS swaps, EFI retrofits, or high-performance fuel-system upgrades that require ethanol compatibility and a high-temperature, high-pressure hose. If you need a chemically resistant fuel line that pairs with AN6 fittings and you can accommodate a less-flexible line, this kit delivers a long run of durable PTFE hose suited for performance and endurance environments.