EVIL ENERGY AN6 PTFE Fuel Line Kit 10ft Black — E85-Compatible, 1500 PSI Working Pressure

EVIL ENERGY's AN6 PTFE fuel line kit is a 10-foot, black, E85-compatible AN6 (5/16" ID) PTFE hose engineered for high-temperature, high-pressure automotive fuel systems.

This braided PTFE fuel line combines chemical resistance with pressure capacity to support performance engines, conversions and custom plumbing. The hose uses a PTFE inner core for broad fuel compatibility including E85, with a tough outer braid that resists abrasion and heat. Before ordering, confirm fitment by measuring required inner-diameter and routing length—this kit ships as shown with the hose prepared for AN6 applications.

How tough is this hose for hot, demanding engines?

The PTFE construction tolerates a wide thermal span and holds pressure under sustained loads. Rated for continuous operation from -76°F to 446°F (-60°C to 230°C), it’s built to survive engine bay heat and occasional exposure to hot fluids.

• Working temperature range: -76°F to 446°F (-60°C to 230°C)
• Maximum working pressure: 1,500 PSI
• Bursting pressure: 4,500 PSI
• Durable outer braid resists chafing and external wear

Is this hose compatible with my fuel and additives?

The PTFE inner liner is chemically inert to a broad spectrum of automotive fluids, so it’s compatible with gasoline, diesel, E85 and many lubricants and coolants. That makes it a safe choice for vehicles running ethanol blends or aggressive additives that can degrade rubber hoses.

• Made from PTFE for excellent chemical resistance
• Compatible with E85 and standard fuels
• Resists swelling and degradation from additives
• Suitable with many lubricants and coolants

What size is the hose and will it fit my AN6 fittings?

The hose inner diameter is 5/16" (0.31 inch) with an outer diameter of 0.43 inch, matching industry AN6 specifications for PTFE hose. It’s supplied as a 10 ft length—measure routing and include bends or adapters in your plan because PTFE hose is relatively rigid compared with softer rubber lines.

• Inner diameter (ID): 5/16" (0.31 inch)
• Outer diameter (OD): 0.43 inch
• Length: 10 feet—cut to fit on installation
• Designed for use with AN6 fittings and adapters

How should I install and maintain PTFE fuel line?

PTFE braided line offers long service life but requires careful installation because it cannot be sharply kinked or folded. Professional installation is recommended to ensure correct routing, secure fittings and leak-free connections—especially in high-pressure systems.

• Do not fold, sharply bend, or kink the hose
• Trim cleanly and use compatible AN6 compression fittings
• Check connections for leaks under pressure before finalizing installation
• Inspect routing periodically for abrasion or heat exposure

Who this is for: This EVIL ENERGY AN6 PTFE fuel line kit is intended for engine builders, tuners and vehicle owners upgrading to ethanol fuels or high-pressure fuel systems. It suits custom plumbing projects, fuel rail feeds, turbocharger or high-performance engine setups where chemical resistance and high-pressure tolerance are required. If you need a flexible rubber hose for tight bends, consider other options; if you want long-term chemical stability and pressure capacity, this PTFE AN6 line is a practical choice.