6AN 20ft PTFE Fuel Line E85 Compatible - Stainless Steel Braided

In this review the 6AN 20ft PTFE Fuel Line is evaluated for hobbyist and professional installers who need a long, fuel-resistant hose for high temperature and high pressure applications. The bottom line: this line is worth considering when durability and chemical compatibility with E85 and other fuels are the priority, because the PTFE inner layer resists swelling and deterioration while the stainless steel and nylon braid protect against abrasion and heat. The review covers performance, build quality, and real-world fitment notes from users.

Key Features

• PTFE inner layer: Provides long-term chemical compatibility with E85 and gasoline so the hose does not swell or degrade over time.
• Stainless steel braid: Adds abrasion and corrosion resistance that improves durability in exposed engine bay installations.
• Nylon outer braid: Offers flame resistance and extra wear protection for routes near exhaust or hot components.
• Wide temperature range: Rated from -76F to 446F so it handles cold starts and high underhood temperatures without losing integrity.
• High pressure capability: Max working pressure around 3000psi with a bursting pressure near 10000psi for demanding fuel injection and boost line duties.
• Length and size: Contains 20ft of 6AN hose, providing plenty of material for custom routing and swaps without splicing.

Who It's For

This hose is aimed at automotive enthusiasts, engine builders, and professional installers who need a fuel line that tolerates E85, high temperature, and elevated pressure. It is well suited for EFI fuel systems, turbo oil and boost lines, transmission cooler feeds, and LS engine swaps where braided protection and PTFE compatibility are important.

Those who should look elsewhere include buyers who need pre-assembled end fittings or a complete AN fitting kit in the box, and users on a tight budget who prefer cheaper rubber lines for low-pressure or non-E85 applications. Professional installation is recommended for best sealing and fitment results.

Pros & Cons

Pros

• Durable construction with PTFE core and stainless steel braid provides long service life under chemical exposure.
• High temperature and pressure ratings make it versatile for fuel injection, turbo, and cooler lines.
• 20ft length gives flexibility for routing and multiple uses in one vehicle build.

Cons

• Sold as hose only; fittings are not included and some users report occasional fitting leaks when mismatched parts are used.
• Perceived cost and fitment size may not suit casual DIYers who do not need high-spec materials.

Specifications

Size	6AN
Length	20ft
Inner material	PTFE
Outer layers	Stainless steel braid with nylon overbraid
Working temperature	-76F to 446F (-60C to 230C)
Max working pressure	3000psi
Bursting pressure	10000psi

Our Verdict

The 6AN 20ft PTFE Fuel Line is a solid choice for builds that demand chemical resistance and durability, particularly with E85 and high-temperature engine bays. It delivers value when paired with proper AN fittings and professional installation, offering long-term service in demanding fuel, oil, and vacuum line roles.

Frequently Asked Questions

Is this hose compatible with E85?
Yes. The PTFE inner layer is compatible with E85 and resists swelling and deterioration that affects some rubber hoses.

Are fittings included?
No. The product includes 20ft of 6AN braided hose only; separate AN fittings and proper installation tools are recommended.

What temperatures and pressures can it handle?
The hose is rated from -76F to 446F with a max working pressure of about 3000psi and a bursting pressure near 10000psi.