EVIL ENERGY 8AN to 3/8" NPT 90° Adapter — 2pc Black Anodized 6061-T6 Aluminum Compact Elbow for Tight Routing

These EVIL ENERGY 8AN to 3/8" NPT 90° fittings convert a standard 8AN (3/4-16 UNF) flare connection to a 3/8" NPT tapered thread in a compact elbow profile. Machined from 6061-T6 aluminum and finished with black anodizing, each adapter combines corrosion resistance with a low profile that helps simplify hose routing where space or clearance is limited. The AN side seals with the 37° flare, while the NPT side uses the tapered thread; NPT sealing compound or PTFE tape is advised for a reliable joint.

How does this 90° adapter improve routing in tight engine bays?

The 90° elbow redirects fluid lines without sharp bends, reducing stress on hoses and fittings while creating a neater installation. Its compact footprint lets you position hoses close to firewall or frame components, improving clearance and reducing vibration transmission to the connection points.

• Right-angle geometry frees space behind bulky components.
• Compact anodized body resists chafing and corrosion.
• Minimizes hose twist and improves fitment in crowded areas.

Will these adapters provide a leak-free connection between AN and NPT fittings?

The adapters use the AN side’s 37° flare for metal-to-metal sealing and the 3/8" NPT tapered thread for thread sealing. Because NPT threads seal by taper, applying a thread sealant or PTFE tape on the NPT side is strongly recommended to prevent weeping under pressure.

• AN side: 37° flare metal-to-metal seal for dependable connection.
• NPT side: 60° tapered thread requires sealant or PTFE tape.
• Wrench flats on the body make torque and removal straightforward.

What materials and construction features matter for durability?

These fittings are CNC-machined from 6061-T6 aluminum, a common aerospace-grade alloy valued for strength-to-weight ratio and corrosion resistance. The black anodized finish adds a protective oxide layer and a professional appearance, while precise machining ensures the flare and threads align correctly for repeatable installs.

• 6061-T6 aluminum body balances strength and light weight.
• Black anodized surface protects against corrosion and wear.
• Precision-machined flare and thread profiles for reliable fitment.

How easy is installation and what tools are needed?

Installation is straightforward: thread the NPT end (with sealant or PTFE tape) and tighten the AN flare into the mating fitting using a wrench. Removal is equally simple thanks to the wrench flats; always torque to the vehicle or system manufacturer’s guidance when available.

• Wrench flats for easy tightening and removal.
• Use PTFE tape or NPT sealant on tapered thread before assembly.
• Compatible with fuel, cooling, and power steering lines when installed properly.

Who is this product for? Mechanics, fabricators, and DIY enthusiasts who need a durable, space-saving solution to join 8AN flare lines to 3/8" NPT ports will find this EVIL ENERGY 90° adapter pair useful. It’s suited to fuel system retrofits, cooling and heater hose adaptations, and power steering plumbing where clearance or hose routing requires a right-angle transition. Sold as a set of two, these fittings are ideal for paired connections or spares to keep during maintenance and fabrication projects.