EVIL ENERGY 6AN Flare to 6AN ORB Male Adapter — 2-Pack Black 6061-T6 Aluminum, NBR O-Ring, 1500 PSI

EVIL ENERGY 6AN Flare to 6AN ORB Male adapter converts a 6AN flare connection to a 6AN ORB male port, sold as a two-piece black aluminum set for fuel-rail and fuel-system installations.

This pair of adapters is built for performance fuel systems where you need to bridge a conventional 37° AN flare hose end to an ORB (O-ring boss) inlet commonly found on fuel rails, pumps, regulators and filters. Machined from 6061-T6 aluminum, each fitting uses the AN flare's metal-to-metal 37° seal on one side and an NBR O-ring on the ORB side to ensure a reliable seal under high pressure. The compact black finish helps the fittings blend into engine bays while resisting corrosion and wear.

What sizes and threading does this adapter use?

The adapter is sized for 6AN / AN6 connections; the thread designation for the ORB side is 9/16-18 UNF, matching standard AN6 ORB ports. The flare side follows the AN 37° flare geometry and threads used on male 6AN fittings.

• AN size: 6AN (AN6)
• ORB thread: 9/16-18 UNF
• Flare sealing: 37° AN flare
• Pack: 2 pieces per order

How durable and heat-resistant are these adapters?

Manufactured from aerospace-grade 6061-T6 aluminum, the adapters combine strength with light weight for long-term service in engine bays. The included NBR O-ring is chosen for general fuel system compatibility and wide temperature tolerance, while the aluminum body withstands vibration and mechanical stress.

• Body material: 6061-T6 aluminum for strength and corrosion resistance
• O-ring material: NBR rubber compatible with common fuels
• Working temperature: -65°F to 252°F for the body
• O-ring temperature range: -4°F to 392°F

What pressure and applications are these fittings rated for?

These adapters are rated to handle typical high-pressure fuel system demands up to 1500 PSI, making them suitable for many aftermarket and OEM fuel components. They are intended for use with gasoline, diesel, and common fuel additives—verify compatibility with specialty fluids before installation.

• Working pressure: 1500 PSI
• Common uses: fuel rail connections, fuel pumps, regulators, filters, oil coolers
• Not for: applications requiring specific chemical compatibility without verification

How do I install and seal the AN-to-ORB adapter correctly?

Installation requires a properly fitted AN male flare hose end for the flare side and a clean ORB female port with the O-ring seated. Hand-start threads, then torque to manufacturer recommendations to avoid O-ring extrusion or thread damage. Replace O-rings if cut, nicked, or aged.

• Ensure threads and sealing surfaces are clean and undamaged
• Hand-start threads, then tighten with appropriate tools—avoid over-torquing
• Use compatible O-rings; replace when worn
• Pressure-test the system after installation for leaks

Who is this for: Mechanically inclined DIYers, professional tuners, and shop technicians who are adapting aftermarket AN linework to ORB-equipped components. If you run aftermarket fuel rails, high-flow pumps, regulators or filters and need a reliable 6AN to 6AN ORB connection that withstands high pressure and engine-bay environments, this EVIL ENERGY two-piece adapter set is designed for that use. It’s not intended for plumbing that requires specialty sealing materials without prior compatibility checks.