6AN Fuel Line Kit 25FT Nylon Braided Hose with Fittings - Durable

In this review the EVIL ENERGY 6AN Fuel Line Kit is evaluated for do-it-yourself mechanics and race teams needing a versatile, heavy-duty line option. The bottom line: this kit is best for anyone who wants a long, flexible 6AN feed or return line with a wide range of compatible fluids and a full set of swivel fittings, because the 25 ft of nylon-braided hose plus ten swivel ends make routing and installation straightforward without hunting for extra parts.

Key Features

• Complete 25 ft hose: Provides ample length for routing fuel, oil or cooler lines on most vehicles so installations rarely require extensions.
• Versatile fittings set: Ten 6AN swivel hose ends in straight, 45, 90 and 180 orientations let installers achieve clean, leak-free connections in tight spaces.
• High pressure rating: A 750 psi working pressure and 2250 psi burst rating give confidence for many automotive and performance applications.
• Durable construction: CPE rubber inner core with 304 stainless wire and nylon outer braid resists abrasion and retains flexibility across the specified temperature range.
• Wide fluid compatibility: Safe for transmission fluid, oil, diesel, race gas, hydraulic fluid and coolant, making the kit useful across multiple systems.
• Aluminum fittings: Lightweight aluminum swivel fittings reduce added weight while providing standard 6AN connections for common aftermarket components.

Who It's For

This kit is ideal for hobbyists, track-day racers and small shops that need a long, ready-to-route 6AN line for fuel supply, fuel return, transmission cooler or oil feed duties. The included assortment of swivel ends and separator clamps makes it practical for custom plumbing jobs where space and hose routing matter.

It is less suited for users who require OEM-specific molded hoses or who expect a lifetime of maintenance-free use under extreme off-road abuse; a handful of buyers report mixed durability and fitment results, so professionals expecting repeated heavy-duty cycles should inspect fittings and hose routing regularly or consider more specialized lines.

Pros & Cons

Pros

• Complete kit with 25 ft of hose and ten swivel fittings saves time sourcing parts.
• High working and burst pressures suit many automotive tasks including transmission cooler lines.
• Good compatibility with multiple fluids adds flexibility for different systems.
• Attractive braided finish and aluminum ends contribute to a clean installation look.

Cons

• Some users reported inconsistent durability or premature failure in heavy use, so careful inspection and proper routing are advised.
• Fitment may vary by vehicle application, requiring adapters or extra clamps in a few installations.

Specifications

Brand	EVIL ENERGY
Hose length	25 ft
Inner diameter (ID)	0.31 in
Outer diameter (OD)	0.56 in
Working pressure	750 psi
Bursting pressure	2250 psi
Temperature range	-22F to 248F

Our Verdict

The EVIL ENERGY 6AN Fuel Line Kit is a strong value for DIY installers and performance builders who need a long, versatile 6AN line and a full set of swivel fittings. It covers many fluid types and offers robust pressure ratings, but installers should route and secure the hose carefully and check fittings periodically since durability reports are mixed; for routine performance or cooler lines it delivers good functionality for the price.

Frequently Asked Questions

Can this hose carry gasoline and diesel?
Yes, the nylon braided hose with a CPE inner core is compatible with race gas, diesel and common automotive fuels.

Will the 10 included fittings be enough for one install?
In most single-system installations the assortment of 4 straight, 2 45deg, 2 90deg and 2 180deg swivel ends provides plenty of options, but complex setups may require additional adapters.

Is this hose suitable for transmission cooler lines?
Yes, it is commonly used as a transmission oil cooler line and is rated for 750 psi working pressure which fits most cooler applications.