EVIL ENERGY 8AN Male-to-Male Flare Coupler — Black 2-Pack, 6061-T6 Aluminum, 1500 PSI

EVIL ENERGY's 8AN male-to-male flare coupler is a straight fuel hose adapter that joins two 8AN fittings securely, supplied as a black anodized aluminum 2-pack.

This compact, high-pressure union is engineered for fuel and fluid systems where a durable, leak-resistant connection is needed without welding or custom hoses. Machined from 6061-T6 aluminum and sealed with the industry-standard 37-degree flare, the coupler simplifies extending lines, joining hard or flexible hoses, and linking components like pumps and coolers. Designed for performance vehicles, race applications, and custom plumbing projects, it balances light weight with robust operating limits.

How does this coupler perform under pressure and temperature extremes?

The EVIL ENERGY 8AN coupler is built to handle demanding environments. Its maximum working pressure reaches 1,500 PSI, and it tolerates temperatures from -40°F up to 250°F, making it suitable for most automotive fuel and fluid tasks.

• Maximum working pressure: 1,500 PSI
• Operating temperature range: -40°F to 250°F
• Sealing design: 37-degree flare angle for consistent leak resistance

What size and thread type should I expect for installation?

This straight adapter uses the standard 8AN male flare configuration with a 3/4-16 UNF thread size, matching many aftermarket and OEM AN fittings. The male-to-male format allows you to join two female 8AN fittings directly for a clean, compact connection.

• AN size: 8AN (compatible with -8 AN lines)
• Thread specification: 3/4-16 UNF
• Connection style: male-to-male straight coupler for inline joining

What materials and finishing protect the coupler from corrosion and wear?

Crafted from 6061-T6 aluminum, the coupling offers an excellent strength-to-weight ratio and resists corrosion better than many steels. The black anodized finish provides extra surface protection and an unobtrusive appearance under the hood or in exposed plumbing runs.

• Material: durable 6061-T6 aluminum
• Finish: black anodize for abrasion and corrosion resistance
• Lightweight: maintains system performance without added bulk

In which systems and scenarios is this coupler most useful?

This adapter is commonly used in automotive fuel delivery, oil cooler lines, and other fluid transfer applications where AN fittings are standard. It’s ideal for extension runs, connecting hardlines to hoses, or simplifying reroutes during repairs and custom builds.

• Typical uses: fuel systems, oil coolers, pump connections
• Installation: quick hand-tight and wrench-assisted assembly
• Packaging: sold as a convenient 2-piece set for spares or dual installations

Who is this for: The EVIL ENERGY 8AN male-to-male flare coupler is targeted at mechanics, fabricators, motorsport teams, and DIY automotive enthusiasts who need a dependable, compact method to join 8AN lines. If you work on performance fuel systems, retrofits, or custom plumbing and want a light, corrosion-resistant coupling with reliable flare sealing and high-pressure capability, this 2-pack offers straightforward installation and durable service life.