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โก Fuel your ride with leak-proof precision and pro-grade durability!
The EVIL ENERGY 6AN Male to 3/8" & 5/16" Quick-Disconnect Female EFI Fuel Rail Fitting is a high-performance aluminum alloy component designed for secure, leak-free fuel connections. Rated for 1500psi and extreme temperatures, it features a 37ยฐ flare seal and quick-disconnect convenience, making it a trusted choice for engine fuel rails, LS swaps, and transmission coolers.
























| ASIN | B0C4SHM6QL |
| Best Sellers Rank | #3,907 in Automotive ( See Top 100 in Automotive ) #12 in Automotive Replacement Fuel System Fittings |
| Brand | EVIL ENERGY |
| Brand Name | EVIL ENERGY |
| Color | Black |
| Connector Type | Flare |
| Customer Reviews | 4.7 out of 5 stars 594 Reviews |
| Exterior Finish | Aluminum |
| Item Weight | 0.04 kg |
| Manufacturer | EVIL ENERGY |
| Manufacturer Part Number | 616582 |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Number | 616582 |
| Number of Pieces | 1 |
| Size | 6AN to 3/8 & 5/16 |
| Thread Size | 9/16-18UNF |
| Thread Type | UNF |
| Unit Count | 2 Count |
C**R
Works great, no leaks.
Great. Needed for fuel rail/Tank connections.
G**I
Excellent quality.
Quality part, I have had no problems will any Evil Energy fittings.
S**P
Worry free lock to fuel line
Love these for a secure connection
G**Y
Always good products
As always works perfectly. I've done 20 or so cars trucks ect with their parts and never had an issue. This 5/16 was for the throttle body of my mud pro ATV (also got a 3/8;for the fuel hat) swapping over to AN line and doing away with the plastic junk connectors and ribber line.
J**S
No leaks
Used these on my jeep to replace leaky factory quick connect fittings. Feel more secure and no leaks.
S**T
Decent just oil the line before connecting
Make sure you have the mail end of the line that's going into the fitting oiled up or it will cut the o-ring and make sure that lock nuts tight as possible and I would put some fuel safe flood seal on the male half of the fitting threads decently made but still soft metal I'm not too happy with evil energy quality or their company and quality checks I should say
R**K
No leaks
Perfect part for custom fuel line
C**E
Perfect fit no leaks
Installed on 2002 Subaru WRX they fit perfectly
B**B
Very nicely made quality product
I haven't had a chance to use these fittings yet as I want to have all parts bought and ready to go for a 1986 Gmc c10 LS swap. I have bought these fittings, regulator and braided lines from Evil Energy, I expect no problems. Nothing about their products look cheaply made.
B**Z
Excelente calidad
Excelente calidad y funcionan muy bien, sin fugas.
A**R
Quality and great fit
Exactly what I needed for my diesels regulated return
P**L
Awesome
Makes pump changes easy and looks great a must if using AN fuel line do away with those stupid plastic clips for ever
W**M
Good
Good
Trustpilot
2 weeks ago
3 weeks ago