Why Use a Hardline Compression Fitting?

Compression fittings allow builders to connect hardline tubing directly to AN systems without extensive welding or specialized fabrication. This creates a strong, serviceable connection ideal for high-performance fluid systems.

Plus it makes your engine bay look like you vaguely know what you’re doing. Which helps.

Install AN fittings like this on our DIY article

Features

• 3AN male flare fitting
• Compatible with 1/4-inch hardline tubing
• Lightweight billet aluminum construction
• Black anodized corrosion-resistant finish
• Compression-style hardline connection
• Leak-resistant precision-machined sealing surfaces
• Compact design for tight installation areas
• Suitable for hydraulic, brake, clutch, fuel, and oil systems
• High-quality CNC-machined construction

Size: 3AN male flare to one/4 inch, the thread size of the 3AN is 3/8-24 UNF.Fits to one/4″ OD hardline, please measure before purchase

Common Applications

• Brake line conversions
• Clutch hydraulic systems
• Fuel hardline routing
• Oil pressure and feed systems
• Custom AN plumbing setups
• Race car hydraulic systems
• Drift and track builds
• LS swap plumbing
• Street and motorsports applications

Subject material: Fabricated from aluminium alloy fitting and brass ferrule

Ideal for Brake and Clutch Systems

3AN fittings are commonly used in brake and clutch hydraulic systems because of their compact sizing and reliable sealing characteristics. Pairing hardline tubing with AN adapters creates a clean, durable, and serviceable solution for performance vehicles.

Especially useful when your factory soft lines have the structural confidence of overcooked spaghetti.

Sealing: The AN thread of the flare is sealed by a 37 degree perspective

Compact Design for Tight Routing

The small-profile design makes installation easier in crowded engine bays, firewall routing areas, underbody chassis locations, and custom fabricated setups. The durable aluminum construction also keeps weight low while resisting corrosion from brake fluid and environmental exposure.

Because race cars and project cars both eventually become packaging nightmares.

Application:This 1/4 compression to 3an fitting is widely utilized in fuel delivery, fuel system, engine amendment, and so forth
Note:Best acceptable to chrome steel or aluminum hardline

Why Choose EVIL ENERGY?

EVIL ENERGY continues to provide enthusiasts with affordable and dependable AN fittings, adapters, and performance plumbing hardware for custom automotive projects. Their hardline compression adapters offer strong sealing performance, clean installation, and compatibility with modern aftermarket fluid systems.

Which is great, because nobody enjoys chasing hydraulic leaks at midnight before an event.