EVIL ENERGY 4AN PTFE Fuel Line Kit 3/16in ID 20ft - High Temp, High

In this review the EVIL ENERGY 4AN PTFE Fuel Line Kit is evaluated for enthusiasts and mechanics who need a durable, high-temperature fuel hose for performance or replacement work. The single biggest reason to consider this kit is its PTFE core and nylon braid, which deliver broad chemical compatibility and a high working pressure rating suitable for many demanding automotive applications. Buyers should measure fittings and routing carefully because the hose is relatively stiff and requires professional installation for best results.

Key Features

• Size: The kit provides 20 ft of 4AN hose with a 3/16in (0.19in) inner diameter, supplying plenty of length for routing in most engine bays and custom projects.
• Temperature range: Rated from -76F to 446F, the hose maintains flexibility and performance across extreme cold and high heat conditions common around engines.
• Pressure capability: With a maximum working pressure of 1500 psi and a bursting pressure of 4500 psi, this line is built to handle high-pressure fuel systems safely.
• Chemical compatibility: The PTFE construction is suitable for automotive fuels, lubricants, and coolants, reducing concerns about fuel type or additive compatibility.
• Nylon braid protection: The external nylon braid resists abrasion and gives a professional appearance while adding mechanical strength to the hose assembly.

Who It's For

This kit is best for performance car builders, hot rodters, and anyone installing or upgrading AN-style fuel lines where high temperature and pressure resistance are required. It suits applications such as EFI systems, aftermarket fuel filters, or custom plumbing where a PTFE core is preferred.

It is less suited to installers who need very flexible hose for tight, folded routes or DIY users unfamiliar with AN fittings; the PTFE core is relatively stiff and professional installation is recommended to ensure proper fit and leak-free joints.

Pros & Cons

Pros

• High working temperature range delivers reliable performance near hot engine components.
• Strong pressure ratings make it appropriate for many high-pressure fuel systems.
• Good chemical compatibility with fuels, lubricants, and coolants reduces concern about fluid selection.
• Generous 20 ft length allows flexible routing and multiple runs from one kit.

Cons

• PTFE hose is relatively hard and cannot be sharply bent or folded, so tight routing is difficult.
• Some customers reported alignment issues with fittings, so careful measuring and trial assembly are advised.

Specifications

Hose size	4AN, ID 3/16in (0.19in), OD 0.36in
Length	20 ft (6M)
Working temperature	-76F to 446F (-60C to 230C)
Max working pressure	1500 psi
Bursting pressure	4500 psi
Compatible fluids	Automotive fuels, lubricants, coolants

Our Verdict

The EVIL ENERGY 4AN PTFE Fuel Line Kit is a practical choice for builders who need a high-temperature, high-pressure fuel line with reliable chemical compatibility and a long 20 ft supply. It offers good value for performance plumbing, though installers should plan routing to avoid sharp bends and verify fitting alignment during assembly.

Frequently Asked Questions

Can this hose handle ethanol blends like E85?
The PTFE core and nylon braid are compatible with automotive fuels including E85, making it suitable for ethanol-blended applications.

Is the hose flexible enough for tight bends?
The PTFE hose is relatively hard and cannot be sharply bent or folded; professional installation or the use of proper fittings and routing is recommended.

How much length is included?
The kit includes 20 ft (6M) of 4AN hose, which is generally enough for most custom runs and multiple connections.