[1PC]
[2PCS]
[6AN to 3/8 & 5/16 inch,1PC]
[6AN to 3/8 inch]
[6AN to 5/16 inch]
Evilenergy EVIL ENERGY 6AN Male to 3/8" 5/16" Quick-Disconnect Female EFI Fitting Aluminum
Evilenergy EVIL ENERGY 6AN Male to 3/8" 5/16" Quick-Disconnect Female EFI Fitting Aluminum

EVIL ENERGY 6AN to 5/16 & 3/8 inch EFI Quick-Disconnect Fuel Rail Fitting – Aluminum LS Swap Adapter

SKU: EVKT07096BK-AMZ1
Product Type: Quick Disconnect EFI Fittings
$17.09
$17.09
$15.99
Size: 6AN to 3/8 & 5/16 inch
Quantity: 1PC

  • Purpose-Built for EFI & LS Swaps – Converts 6AN fuel lines to factory-style 5/16" or 3/8" EFI quick-disconnect fuel rails.
  • Leak-Free 37° AN Seal – Precision flare sealing eliminates fuel seepage under high pressure.
  • High-Pressure Ready – Rated up to 1500 PSI for modern EFI and performance fuel systems.
  • OEM-Style Push-On Connection – Quick-disconnect female end saves install time and ensures secure engagement.
  • Durable Aluminum Construction – CNC-machined 6061-T6 aluminum for corrosion resistance and long service life.

Secure online checkout with free 1-year warranty, 180-day money-back guarantee, free shipping over $50, and expert customer support from 
EVIL ENERGY.
[6AN to 3/8 & 5/16 inch,1PC]

EVIL ENERGY 6AN to 5/16 & 3/8 inch EFI Quick-Disconnect Fuel Rail Fitting – Aluminum LS Swap Adapter

$17.09 $15.99

EVIL ENERGY 6AN to 5/16 & 3/8 inch EFI Quick-Disconnect Fuel Rail Fitting – Aluminum LS Swap Adapter

$17.09 $15.99
Size: 6AN to 3/8 & 5/16 inch
Quantity: 1PC

AN Size 6AN
Thread Size 9/16-18 UNF
Quick-Disconnect ID 5/16" or 3/8"
Seal Type 37° AN Flare (Leak-Proof)
Material 6061-T6 Aluminum Alloy
Working Pressure Up to 1500 PSI
Temperature Range -40°F to 250°F
Applications EFI fuel rail, LS swap, fuel return line, transmission cooler, fuel sensors

This EFI quick-disconnect fuel rail fitting provides a clean and reliable solution for adapting 6AN fuel lines to factory 5/16" or 3/8" EFI fuel rails. Designed with a 37° AN flare seal and built from 6061-T6 aluminum, it delivers leak-free performance under high pressure and extreme temperatures.

Ideal for LS swaps and custom EFI builds, the push-on quick-disconnect design simplifies installation while maintaining OEM-level sealing and security. A dependable choice for performance fuel systems, return lines, and sensor connections.

Quick-Disconnect EFI FittingSize and Sealing
Easy to installsuggestionApplication

Brand Summary

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