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| 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.




| Policy | Details |
|---|---|
| Cancellation Policy | Orders can be canceled within 48 hours of placement. Refund processed in 3-5 business days. |
| Returns Policy | Returns accepted within 180 days. Full refund within 90 days; 15% fee for 90-180 days. |
| Non-Returnable Items | Only regular-priced items are eligible for refunds; sale items are non-refundable. |
| Refund Processing | If no refund received, check your bank/credit card. For ongoing issues, contact support@ievilenergy.com. |
Effective from August 25, 2024. Price drops within 7 days of purchase can be claimed.
EVIL ENERGY reserves the right to interpret, modify, or terminate this policy in accordance with applicable laws and regulations.
If you need further information or assistance, feel free to ask!