EVIL ENERGY 8AN Male to 5/8-18 Inverted Flare Adapter Straight, 2-Pack

Overview

Whether upgrading a classic ride or refining a performance setup, the EVIL ENERGY 8AN to 5/8-18 inverted flare adapter straight in a 2-pack offers a practical connection solution. It converts a 5/8-18 inverted flare port into an 8AN connection, aligning with common fuel and oil line hardware. The 8AN side uses a standard 3/4-16 UNF thread, enabling compatibility with a wide range of hoses and fittings. The compact straight design helps you navigate tight engine bays without compromising flow or access.

In daily use, this pair of adapters provides flexibility for multiple lines, helping you streamline assemblies and maintenance tasks. The polished yet rugged look complements engine compartments while delivering functional performance under typical driving conditions.

Key specs at a glance

• Size and compatibility: 5/8-18 inverted flare to 8AN; the 8AN port uses 3/4-16 UNF threads.
• Working pressure and temperature: rated up to 1500 PSI and operable from -40 F to 250 F.
• Material and finish: aluminum alloy 6061-T6 with a black anodized coating for corrosion resistance and a bright, durable appearance.
• Sealing: AN flare side uses a 37 degree seating angle to form a reliable seal.
• Included: 2-pack, offering convenience for multi-line installations.

Durability and performance in daily use

The aluminum 6061-T6 body keeps weight down while resisting corrosion, helping lines stay visually clean and functionally sound. The black anodized finish not only adds a sleek look but also provides an extra layer of protection against wear in engine bays and heat cycles. The 37 degree flare seating on the AN side is designed to promote a solid seal across a broad range of operating conditions, contributing to consistent fluid routing where space is limited and alignment matters.

Practical applications

Ideal for mechanical fuel pump feeds, transmission cooler loops, and radiator cooling circuits, this adapter offers a versatile solution when you need to bridge 5/8-18 inverted flare ports to 8AN fittings. The combination of a robust seal, compatible thread standards, and a compact form factor makes it suitable for both new builds and repairs in various climates and driving styles.

Tips for best results

• Verify flare seat alignment with the mating port before assembly to ensure a proper seal.
• Keep threads clean and inspect fittings for damage prior to installation to reduce the risk of leaks.