EVIL ENERGY 6AN Male to 3/8 SAE EFI Fitting – 90° Push-On, Aluminum 6061-T6

Overview

Designed for reliable performance in modern fuel systems, the EVIL ENERGY 6AN to 3/8 SAE EFI fitting offers a compact, 90-degree push-on connection ideal for tight engine bays and LS swap projects. The aluminum alloy body stays lightweight yet sturdy, while a practical seal and simple latch system help create a dependable interface between fuel lines and EFI components. This fitting focuses on real-world usability, balancing ease of installation with solid mechanical integrity in typical automotive environments.

Key specifications

• Size: The 6AN thread is 9/16-18 UNF, and the spring lock ID is 3/8 inch.
• Seal: A 37-degree sealing angle helps reduce the chance of leaks in everyday operation.
• Parameter: Working pressure up to 1500 psi; temperature range from -40°F to 176°F.
• Material: Aluminum alloy 6061-T6; spring lock is made of plastic for a light yet durable latch.
• Application: Widely suited for engine fuel rails, LS swap configurations, transmission coolers, return lines, and fuel sensors.

Why choose this fitting

• Lightweight aluminum body delivers strength without excessive mass, aiding overall system efficiency.
• 90-degree design helps simplify routing in crowded engine compartments and tight spaces.
• Push-on connection provides straightforward installation with clear, tactile feedback when seated.

Performance ideas and real-world use

In everyday builds and performance setups, this fitting can help maintain clean lines and reduce hose strain. The 1500 psi working limit covers a broad range of EFI applications, while the -40 to 176 degree Fahrenheit range accommodates typical engine bay temperatures. The 37-degree seal angle reduces the chance of seepage under vibration, contributing to a stable fueling experience. The combination of a robust aluminum body and a plastic lock balances durability with serviceability, making quick inspections and occasional disassembly feasible for routine maintenance or upgrades.

Installation tips and compatibility

Pair this connector with compatible 6AN braided lines and appropriate clamps for a secure, leak-minimized setup. Its 90-degree orientation is especially helpful for routing hoses away from hot surfaces and moving components, reducing perceived flex and fatigue over time. This EFI fitting is suitable for various common fuel system configurations, including fuel rails and sensor lines, as part of a broader, modular approach to engine hardware upgrades.

Note

Note: This package includes only one connector and does not include any other products or accessories.