EVIL ENERGY AN8 Female-to-Female Swivel Coupler 2-Pack — Black Aluminum 360° Rotating 37° Flare, 1500 PSI

The EVIL ENERGY AN8 female-to-female straight swivel coupler is a durable aluminum union adapter that links two AN8 lines while allowing 360° rotation for easy assembly and leak-resistant sealing.

Designed for performance plumbing in automotive, motorsport, or industrial fluid systems, this two-piece pack of AN8 couplers offers a compact, reusable connection with a 37° flare seal. Machined from 6061-T6 aluminum and finished with black anodizing, the adapters balance corrosion resistance with lightweight strength. The coupler accepts AN8 fittings on both ends (3/4-16 UNF thread), withstands up to 1,500 PSI, and operates across a broad temperature range, making it suitable for oil, fuel, and coolant plumbing where a swivel union simplifies routing.

How does the 360° swivel help during installation?

The swivel feature decouples hose rotation from the fitting body so you can orient hoses without twisting lines or stressing connections. This reduces installation time and minimizes risk of kinks or torque on adjacent fittings.

• Full 360° rotation for flexible hose alignment
• Prevents hose twisting during tightening
• Simplifies installations in tight engine bays or confined assemblies

What are the sealing and pressure capabilities?

Sealing relies on the standard 37° AN flare interface, a proven metal-to-metal contact method for high-pressure fluid lines. The union is rated to a maximum working pressure of 1,500 PSI, suitable for many automotive fluid circuits when used with compatible AN8 lines and installation practices.

• 37° flare sealing for reliable metal-on-metal contact
• Maximum working pressure: 1,500 PSI
• Thread spec: 3/4-16 UNF for secure attachment

What materials and temperature range should I expect?

The coupler is machined from 6061-T6 aluminum, delivering a strong yet lightweight connection that resists corrosion when anodized. Its operational temperature window spans from -40°F to 250°F, accommodating a wide variety of fluids and environments.

• 6061-T6 aluminum construction for strength and low weight
• Black anodized finish increases surface durability and corrosion resistance
• Working temperature range: -40°F to 250°F for versatility

Can this fitting be reused or adjusted in the field?

Yes — the union design supports disassembly, reorientation, and reuse provided the flare faces and threads remain undamaged. That makes it a practical option for maintenance, upgrades, or temporary plumbing changes.

• Reusable 37° flare interface if inspected and clean
• Swivel design enables on-vehicle adjustments without full disassembly
• Pack of two couplers for paired or spare applications

Who is this for: EVIL ENERGY’s AN8 female-to-female swivel couplers are aimed at DIY mechanics, race teams, and fabricators who need a compact, reusable union to simplify hose routing and maintain reliable AN8 connections. Choose these if you need a lightweight, high-pressure-rated adapter that offers easy orientation, corrosion-resistant finish, and broad temperature compatibility for oil, fuel, or coolant plumbing projects.